OFFSET
0,3
COMMENTS
Also the number of (9*n-1)-step walks on 9-dimensional cubic lattice from (1,0,...,0) to (n,n,...,n) with positive unit steps in all dimensions such that for each point (p_1,p_2,...,p_9) we have p_1<=p_2<=...<=p_9 or p_1>=p_2>=...>=p_9.
CROSSREFS
KEYWORD
nonn,walk
AUTHOR
Alois P. Heinz, Feb 29 2012
STATUS
approved