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 A179007 #13 Mar 30 2012 18:52:13 %S A179007 45,61,73,85,95,107,119,133,145,155,163,175,185,197,209,221,233,243, %T A179007 253,263,271,279,287,299,315,331,343,351,357,363,369,377,387,397,409, %U A179007 419,429,435,445,455,467,475,485,495,505,515,523,535,545,555,561,571,585,599 %N A179007 Sum of 3 consecutive composite odd numbers. %e A179007 9+15+21=45, 15+21+25=61, 21+25+27=73,.. %t A179007 t=Select[Range[2, 200], OddQ[#] && ! PrimeQ[#] &]; Plus @@@ Partition[t, 3, 1] %Y A179007 Cf. A034962, A034965, A082246 %K A179007 nonn %O A179007 1,1 %A A179007 _Vladimir Joseph Stephan Orlovsky_, Jan 07 2011