Number of permutations of n indistinguishable copies of 1..5 with every partial sum <= the same partial sum averaged over all permutations.

A215570

Number of permutations of n indistinguishable copies of 1..5 with every partial sum <= the same partial sum averaged over all permutations.

Terms

    a(0) =1a(1) =35a(2) =18720a(3) =19369350a(4) =27032968200

External references