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 A074994 #4 Jun 24 2014 01:08:26 %S A074994 30,308,586,864,1141,1419,1697,19727,222752,2275278,2527803,2780328, %T A074994 3032853,3285379,3537904,3790429,4042954,4295480,4548005,4800530, %U A074994 5053055,5305581,5558106,5810631,6063156,6315682,6568207,6820732 %N A074994 Floor of concatenation of n, n+1, n+2, n+3 divided by 4. %e A074994 a(7) = floor(78910/4) = 19727. %Y A074994 Cf. A074991, A074992, A074993, A074995, A074996, A074997, A073086, A074999. %K A074994 base,easy,nonn %O A074994 0,1 %A A074994 _Amarnath Murthy_, Aug 31 2002 %E A074994 Edited by _Dean Hickerson_, Nov 03 2002