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 A129601 #5 Dec 14 2023 14:37:51 %S A129601 0,1,3,2,4,6,3,7,8,15,4,8,12,16,24,5,11,9,23,19,13,6,12,14,24,28,17, %T A129601 30,7,15,16,31,32,47,48,63,8,16,24,32,48,39,56,64,96,9,19,17,39,35,25, %U A129601 33,79,71,49,10,20,22,40,44,18,46,80,88,38,26,11,23,19,47,39,27,35,95 %N A129601 Table T(i,j): T(0,0), T(1,0), T(1,1), T(2,0), T(2,1), T(2,2), ... of binary runlength encoded product of i and j. %C A129601 This is the upper triangular region of array A129600 (or equally, the lower triangular region, because A129600 is symmetric). %o A129601 (MIT/GNU Scheme) %o A129601 (define (A129601 n) (A129600bi (A003056 n) (A002262 n))) %K A129601 nonn,tabl %O A129601 0,3 %A A129601 _Antti Karttunen_, May 01 2007