8204167296

Appears in sequences

• Number of n*(n+1)-step n-dimensional nonnegative closed lattice walks starting at the origin and using steps that increment all components or decrement one component by 1.at n=4A340590
• Number A(n,k) of n*(k+1)-step k-dimensional nonnegative closed lattice walks starting at the origin and using steps that increment all components or decrement one component by 1; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=40A340591