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 A036211 #11 Nov 27 2015 19:42:24 %S A036211 0,2,4,6,8,1,0,1,2,1,4,1,6,1,8,2,0,2,2,2,4,2,6,2,8,3,0,3,2,3,4,3,6,3, %T A036211 8,4,0,4,2,4,4,4,6,4,8,5,0,5,2,5,4,5,6,5,8,6,0,6,2,6,4,6,6,6,8,7,0,7, %U A036211 2,7,4,7,6,7,8,8,0,8,2,8,4,8,6,8,8,9,0,9,2,9,4,9,6,9,8,1,0,0 %N A036211 Successive digits of even numbers. %H A036211 Michael De Vlieger, <a href="/A036211/b036211.txt">Table of n, a(n) for n = 0..10000</a> %t A036211 Flatten@ Map[IntegerDigits, 2 Range[0, 100]] (* _Michael De Vlieger_, Nov 27 2015 *) %Y A036211 Cf. A005843. %K A036211 nonn,easy,base %O A036211 0,2 %A A036211 _N. J. A. Sloane_