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 A144076 #4 Mar 30 2012 18:52:27 %S A144076 7,11,2,19,17,24,68,37,20,253,14,40,41,44,24,90,6,4,2,28,28,9,75,13, %T A144076 18,77,12,2,64,52,148,13,61,736,72,104,9,4,1,60,1026,15,3403,24,72,12, %U A144076 81,88,98,252,110,15,22,199,1750,41,206,7,88,75,222,98,87,112,8,19,64,156 %N A144076 (1, 2, 3, 2^2, 5, 2*3, 7, 2^3, 3^2, 2*5, 11, 2^2*3, 13, 2*7, 3*5,..) becomes (abs(1-2*3-2, 2-5*2-3, 7-2*3-3, 2-2*5-11, 2-2*3-13, 2-7*3-5,..)). %e A144076 Abs (2-7*3-5)=abs (-24) =24=a(6). %e A144076 Abs (2-4*17-2)=abs(-68)=68=a(7). %e A144076 Abs (3-2*19-2)=abs (-37)=37=a(8). %e A144076 Abs (2-5*3-7)=abs (-20)=20=a(9). %e A144076 Abs (2-11*23-2)=abs(-253)=253=a(10), %e A144076 etc. %Y A144076 Cf. A141287, A141261, A136678, A143717. %K A144076 nonn %O A144076 1,1 %A A144076 _Juri-Stepan Gerasimov_, Nov 17 2008 %E A144076 Corrected (12 replaced by 52) by _R. J. Mathar_, Apr 18 2010