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 A116100 #4 Mar 30 2012 17:39:08 %S A116100 1,3,6,11,19,29,42,58,81,113,157,213,289,391,523,697,924,1220,1603, %T A116100 2108,2787,3679,4830,6346,8334,10936,14336,18746,24505,32024,41833, %U A116100 54643,71353,93111,121467,158422,206611,269416,351219,457866,596954,778255 %N A116100 Partial sums of A004977. %e A116100 a(4)=1+(1+1)+(2+1)+(1+2+1+1)=11 %Y A116100 Cf. A005150. %K A116100 easy,nonn,base %O A116100 1,2 %A A116100 Philippe LALLOUET (philip.lallouet(AT)wanadoo.fr), Apr 11 2007 %E A116100 Edited and extended by _R. J. Mathar_, Jan 23 2008