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 A082263 #6 Dec 05 2013 19:56:12 %S A082263 1,1,10,1,4,7,1,10,28,55,1,10,28,46,64,1,4,7,10,19,22,1,10,19,46,73, %T A082263 100,145,1,10,19,28,55,64,100,127,1,2,3,4,5,6,7,8,9,19,28,37,46,55,64, %U A082263 73,82,91,109,19,28,37,46,55,64,73,82,190,280,370,4,7,13,16,19,22,28,31,34,37 %N A082263 Triangle A082259 with row n divided by n. %e A082263 Triangle begins: %e A082263 1 %e A082263 1 10 %e A082263 1 4 7 %e A082263 1 10 28 55 %e A082263 1 10 28 46 64 %e A082263 1 4 7 10 19 22 %Y A082263 Cf. A082259, A082260, A082261, A082262, A002998. %K A082263 base,nonn,tabl %O A082263 1,3 %A A082263 _Amarnath Murthy_, Apr 12 2003 %E A082263 Corrected and extended by _Ray Chandler_, Oct 08 2005