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 A249422 #4 Nov 02 2014 18:12:55 %S A249422 0,0,0,0,0,1,0,0,0,0,0,0,0,2,5,0,0,0,0,1,2,0,0,0,0,0,0,4,0,0,0,0,0,4, %T A249422 4,0,0,0,0,0,0,0,3,2,17,0,0,0,0,0,0,0,2,0,10,0,0,0,0,0,0,0,6,1,14,12, %U A249422 0,0,0,0,0,0,0,0,5,0,10,4,0,0,0,0,0,0,0,0,0,4,8,6,18,0,0,0,0,0,0,0,0,0,0,3,6,13,8,0,0,0,0,0,0,0,0,0,0,0,2,4,8,11 %N A249422 Transpose of square array A249421. %C A249422 See comments at A249421. %o A249422 (Scheme) (define (A249422 n) (A249421bi (A004736 n) (A002260 n))) ;; %o A249422 Code for A249421bi given in A249421. %Y A249422 Cf. A249421, A060175, A001142. %K A249422 nonn,tabl %O A249422 1,14 %A A249422 _Antti Karttunen_, Oct 28 2014