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 A208618 #11 Jan 08 2013 11:16:22 %S A208618 1,1,126,7572,1725819,705002611,396803649991,278635710716650, %T A208618 231474950997766763,219738417947792525211,232553597317851557785623, %U A208618 269396684883944249352055973,336839101974197524267892335361,449620757900366812848744648452561 %N A208618 Number of Young tableaux with 5 n-length rows, increasing entries down the columns and monotonic entries along the rows (first row increasing). %C A208618 Also the number of (5*n-1)-step walks on n-dimensional cubic lattice from (1,0,...,0) to (5,5,...,5) 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 A208618 Row n=5 of A208615. %K A208618 nonn,walk %O A208618 0,3 %A A208618 _Alois P. Heinz_, Feb 29 2012