This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A133634 #7 Nov 21 2013 12:49:07 %S A133634 10,25,26,34,35,49,50,55,58,65,74,77,82,85,91,95,98,106,115,119,121, %T A133634 122,125,130,133,143,145,146,154,155,161,169,170,175,178,185,187,194, %U A133634 202,203,205,209,215,217,218,221,226,235,242,245,247,250,253,259,265,266 %N A133634 Nonprime numbers k such that binomial(k+p,k) mod k = 1, where p=4. %H A133634 Harvey P. Dale, <a href="/A133634/b133634.txt">Table of n, a(n) for n = 1..1000</a> %t A133634 Select[Range[300],!PrimeQ[#]&&Mod[Binomial[#+4,#],#]==1&] (* _Harvey P. Dale_, Oct 09 2011 *) %Y A133634 Cf. A000040, A133620-A133625, A133630, A038509, A133634-A133636. %Y A133634 Cf. A133874, A133884, A133880, A133890, A133900, A133910. %K A133634 nonn %O A133634 1,1 %A A133634 _Hieronymus Fischer_, Sep 30 2007