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 A075041 #11 Dec 05 2013 19:55:35 %S A075041 2,14,16,20,21,31,33,34,35,38,39,44,45,50,51,54,55,56,57,62,68,74,75, %T A075041 76,85,86,87 %N A075041 Erroneous version of A006049. %C A075041 This appears to be either an erroneous version of A045920 or an erroneous version of A006049. - _R. J. Mathar_, Aug 13 2012 %Y A075041 Cf. A045983. %K A075041 dead %O A075041 1,1 %A A075041 _Amarnath Murthy_, Sep 03 2002