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 A175559 #7 Mar 30 2012 16:51:57 %S A175559 1,14,34,35,49,65,73,77,70,80,121,119,136,131,106,143,148,182,136,176, %T A175559 169,251,220,209,244,257,268,233,265,335,298,329,349,332,373,389,343, %U A175559 374,331,350,355,371,433,428,430,476,463,488,451,473,529,530,463,569,514,545,583,593,562,596,586,635,601,647,598,695,649,662,718,647,742,713,685,725,709,755,742,884,775,851,790 %N A175559 Digit sum of 167^n. %Y A175559 Cf. A175558, A175560, A175552. %K A175559 nonn,base %O A175559 0,2 %A A175559 _N. J. A. Sloane_, Dec 03 2010