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 A030624 #14 Aug 09 2017 00:06:27
%S A030624 12,48,16,32,64,12,82,56,51,21,24,20,48,40,96,81,92,16,38,43,27,68,65,
%T A030624 53,61,31,72,26,21,44,52,42,88,10,48,57,62,97,15,24,19,43,48,38,86,81,
%U A030624 67,77,21,63,35,54,43,26,71,88,64,13,42,17,72,82,68,43,54,56,53,68,70
%N A030624 Powers of 2 grouped in pairs of 2 digits (version 3).
%C A030624 Initial zeros not permitted, i.e., each term must be greater than 9 and less than 100. - _Harvey P. Dale_, Jul 18 2011
%p A030624 sq:=[]: for n from 0 to 100 do s:=convert(2^n,base,10): l:=nops(s): sq:=[op(sq),seq(s[l-i],i=0..l-1)] od: i:=1: while(i<150) do j:=0: while(sq[i+j]=0) do j:=j+1 od: printf("%d, ",10*sq[i+j]+sq[i+j+1]): i:=i+j+2 od: # C. Ronaldo
%Y A030624 Cf. A030622, A030623.
%K A030624 nonn,base,easy
%O A030624 1,1
%A A030624 Alexei Kozlowski (bros(AT)spf.minsk.by)
%E A030624 More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 03 2005