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 A136734 #5 Mar 30 2012 18:52:25 %S A136734 2,7,11,13,7,27,41,23,13,23,40,17,29,29,13,41,7,65,158,17,45,19,8,75, %T A136734 29,208,23,47,17,51,55,17,12,37,691,11,27,24,77,63,308,95,16,71,35,71, %U A136734 86,37,77,149,113,9,135,17,171,19,86,87,38,103,61,982,8,96,48,65,142,17 %N A136734 (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 A136734 0+1*2=2=a(1). %e A136734 3+2*2=7=a(2). %e A136734 5+2*3=11=a(3). %e A136734 7+2*3 =13=a(4). %e A136734 3+2*2=7=a(5). %e A136734 5+11*2=27=a(6). %e A136734 2+3*13 =41=a(7). %e A136734 2+7*3=23=a(8), etc. %Y A136734 Cf. A141269, A141270. %K A136734 nonn %O A136734 1,1 %A A136734 _Juri-Stepan Gerasimov_, Oct 31 2008 %E A136734 a(67) corrected by _R. J. Mathar_, Apr 14 2010