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 A208617 #12 Jan 08 2013 11:16:21 %S A208617 1,1,35,587,25187,1676707,140422657,13675362559,1489926719139, %T A208617 177296325559211,22661600612752505,3073259866183533755, %U A208617 438091469007903238421,65166105272787401522141,10056663348255976399237441,1602608180008201242503733271 %N A208617 Number of Young tableaux with 4 n-length rows, increasing entries down the columns and monotonic entries along the rows (first row increasing). %C A208617 Also the number of (4*n-1)-step walks on n-dimensional cubic lattice from (1,0,...,0) to (4,4,...,4) with positive unit steps in all dimensions such that for each point (p_1,p_2,...,p_n) we have p_1<=p_2<=...<=p_n or p_1>=p_2>=...>=p_n. %Y A208617 Row n=4 of A208615. %K A208617 nonn,walk %O A208617 0,3 %A A208617 _Alois P. Heinz_, Feb 29 2012