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 A171598 #2 Mar 30 2012 18:51:05 %S A171598 1,4,8,9,12,16,17,36,68,72,73,76,100,132,136,137,140,144,145,292,548, %T A171598 580,584,585,588,612,804,1060,1092,1096,1097,1100,1124,1156,1160,1161, %U A171598 1164,1168,1169,2340,4388,4644,4676,4680,4681,4684,4708,4900,6436,8484 %N A171598 Record values of A175047. %C A171598 a(n)=A175047(A171599(n)) and A175047(m)<a(n) for m < A171599(n). %K A171598 nonn %O A171598 1,2 %A A171598 _Reinhard Zumkeller_, Dec 12 2009