Discuss anything related to the document or to the website here. Any comments, suggestions, opinions and other remarks are most welcomed. For problem-specific remarks or solutions, please use the section below.

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23

Re: PEN Team

May 07, 2012, 10:21 am

batter8642

If you have a nice number theory problem that is not in PEN, you can share it with others here (please post the source!). If it's nice, we may even add it to PEN!

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79

Re: Combinatorial Arit...

Apr 24, 2012, 6:38 am

huyhoang

118

539

Re: A 3

Yesterday, 12:18 pm

braudiap

Subforums: Primitive Roots, Quadratic Residues, Congruences

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128

Re:

Nov 10, 2011, 5:46 am

mathmdmb

38

172

Re: E 20

Mar 03, 2012, 10:38 am

Morleyiquel

Subforums: Rational numbers, Irrational numbers

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171

Re: G 27

Oct 31, 2011, 3:15 pm

Extremal

91

383

Re: H 88

May 13, 2012, 8:52 am

mahanmath

Subforums: Floor Function and Fractional Part Function, Divisor Functions, Functional Equations

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249

Re: I 17

Jan 24, 2011, 11:00 am

Tiko93

Subforums: Linear Recurrences, Recursive Sequences, More sequences

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217

Re: M 8

May 08, 2012, 6:35 am

ZetaX

59

182

Re: O 36

Nov 07, 2011, 12:52 am

palashahuja

43

124

Re: P 11

Nov 13, 2011, 5:20 pm

Woett

Subforums: Polynomials, The Geometry of Numbers, Miscellaneous Problems

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202

Re: S 23

Dec 15, 2011, 1:24 am

rkeele