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 A074995 #4 Jun 24 2014 01:08:26 %S A074995 246,2469,4691,6913,9135,11357,135782,1578202,17820222,182022242, %T A074995 202224262,222426283,242628303,262830323,283032343,303234363, %U A074995 323436384,343638404,363840424,384042444,404244464,424446485,444648505,464850525 %N A074995 Floor of concatenation of n, n+1, n+2, n+3, n+4 divided by 5. %Y A074995 Cf. A074991, A074992, A074993, A074994, A074996, A074997, A073086, A074999. %K A074995 base,easy,nonn %O A074995 0,1 %A A074995 _Amarnath Murthy_, Aug 31 2002 %E A074995 Edited by _Dean Hickerson_, Nov 03 2002