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 A109802 #5 Mar 30 2012 16:50:18 %S A109802 1,3,7,9,11,13,14,17,19,21,23,28,29,31,33,37,39,41,42,43,45,47,51,53, %T A109802 57,59,61,67,69,71,73,79,83,84,87,89,93,97,101,103,107,109,111,113, %U A109802 123,126,127,129,131,135,137,139,141,149,151,154,157,159,163,167,173,177,179,181 %N A109802 Positive integers n such that 480*n is an element of A141586. %C A109802 Includes p and 3p, where p is any prime except 2 and 5. %Y A109802 Cf. A141586. %K A109802 nonn %O A109802 1,2 %A A109802 _N. J. A. Sloane_ and German Manoim (gerrymanoim(AT)gmail.com), Aug 27 2008, Sep 03 2008