Selberg,s Formula

writer : Apostol, T. M.

source : Introduction to Analytic Number Theory. New York: Springer-Verlag, 1976.

page : ...

19-8-2020 1957

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Tritriangular Number

writer : Comtet, L.

source : Problem 1. Advanced Combinatorics: The Art of Finite and Infinite Expansions, rev. enl. ed. Dordrecht, Netherlands: Reidel

page : ...

13-12-2020 1639

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Lucky Number of Euler

writer : Bailey, D. H.; Borwein, J. M.; Calkin, N. J.; Girgensohn, R.; Luke, D. R.; and Moll, V. H

source : Experimental Mathematics in Action. Wellesley, MA: A K Peters

page : ...

8-9-2020 4098

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Prime Triangle

writer : Guy, R. K.

source : Unsolved Problems in Number Theory, 2nd ed. New York: Springer-Verlag

page : ...

3-9-2020 1328

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Googolplex

writer : Kasner, E. and Newman, J. R

source : Mathematics and the Imagination. Redmond, WA: Tempus Books

page : ...

1-8-2020 1585

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Division by Zero

writer : Derbyshire, J

source : Prime Obsession: Bernhard Riemann and the Greatest Unsolved Problem in Mathematics. New York: Penguin, 2004.

page : ...

1-11-2019 1937

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Golden Rhombus

writer : Kabai, S

source : Mathematical Graphics I: Lessons in Computer Graphics Using Mathematica. Püspökladány, Hungary: Uniconstant

page : ...

17-2-2020 1490

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Pell Equation

writer : Beiler, A. H.

source : "The Pellian." Ch. 22 in Recreations in the Theory of Numbers: The Queen of Mathematics Entertains. New York: Dover

page : ...

5-6-2020 4641

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Lehmer,s Totient Problem

writer : Pinch, R. G. E

source : ftp://ftp.dpmms.cam.ac.uk/pub/Carmichael/table.

page : ...

28-8-2020 1413

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Pi Wordplay

writer : Castellanos, D.

source : "The Ubiquitous Pi. Part II." Math. Mag. 61

page : ...

28-1-2021 3615

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NSW Number

writer : Newman, M.; Shanks, D.; and Williams, H. C.

source : "Simple Groups of Square Order and an Interesting Sequence of Primes." Acta Arith. 38

page : ...

5-1-2021 1930

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Z^-

writer : Barnes-Svarney, P. and Svarney, T. E

source : The Handy Math Answer Book, 2nd ed. Visible Ink Press, 2012.

page : ...

19-12-2019 1244

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Lucas,s Theorem

writer : Brent, R. P.

source : "On Computing Factors of Cyclotomic Polynomials." Math. Comput. 61

page : ...

3-6-2020 2072

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Twin Peaks

writer : Sloane, N. J. A

source : Sequence A009190 in "The On-Line Encyclopedia of Integer Sequences."

page : ...

10-10-2020 1648

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PSLQ Algorithm

writer : Bailey, D. H.; Borwein, J. M.; and Girgensohn, R.

source : "Experimental Evaluation of Euler Sums." Exper. Math. 3

page : ...

20-7-2020 2781

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Roundoff Error

writer : Chartier, T.

source : "Devastating Roundoff Error." Math. Horizons 13, No. 4

page : ...

22-10-2020 3008

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Brun,s Constant

writer : Ball, W. W. R. and Coxeter, H. S. M

source : Mathematical Recreations and Essays, 13th ed. New York: Dover

page : ...

12-3-2020 3667

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Stella Octangula Number

writer : Conway, J. H. and Guy, R. K

source : The Book of Numbers. New York: Springer-Verlag

page : ...

24-12-2020 1330

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