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 A136738 #5 Mar 30 2012 18:52:25 %S A136738 2,8,13,17,8,57,19,17,14,37,40,13,25,49,17,29,8,205,46,13,39,37,8,93, %T A136738 41,56,13,88,35,33,98,23,12,53,79,9,57,24,67,120,76,65,16,43,17,136, %U A136738 74,17,145,79,77,12,45,25,1029,23,49,168,26,77,89,122,8,48,27,95,254,13,201,8 %N A136738 (0, 1, 2, 3, 2^2, 5, 2*3, 7, 2^3, 3^2, 2*5, 11, 2^2*3, 13,..) transform in (0*1+2, 3*2+2, 5*2+3, 7*2+3, 3*2+2, 5*11+2, 2*3+13,..). %e A136738 0*1+2=2=a(1). %e A136738 3*2+2=8=a(2). %e A136738 5*2+3=13=a(3). %e A136738 7*2+3 =17=a(4). %e A136738 3*2+2=8=a(5). %e A136738 5*11+2=57=a(6). %e A136738 2*3+13 =19=a(7). %e A136738 2*7+3=19=a(8), etc. %Y A136738 Cf. A141269, A141270. %K A136738 nonn %O A136738 1,1 %A A136738 _Juri-Stepan Gerasimov_, Oct 31 2008 %E A136738 a(8), a(16), a(19) etc. corrected by _R. J. Mathar_, Apr 25 2010