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 A208620 #11 Jan 08 2013 11:16:26 %S A208620 1,1,1716,1705249,14029729645,279481714446151,9493821912766657291, %T A208620 475092942773985252468181,32103240681864904236146331299, %U A208620 2760173043757661872972723537937635,289232902027154515366683463668541370431,35764586048631587795405572631302247852797701 %N A208620 Number of Young tableaux with 7 n-length rows, increasing entries down the columns and monotonic entries along the rows (first row increasing). %C A208620 Also the number of (7*n-1)-step walks on n-dimensional cubic lattice from (1,0,...,0) to (7,7,...,7) 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 A208620 Row n=7 of A208615. %K A208620 nonn,walk %O A208620 0,3 %A A208620 _Alois P. Heinz_, Feb 29 2012