Number of integer sequences of length n+1 with sum zero and sum of absolute values 40.

A157069

Number of integer sequences of length n+1 with sum zero and sum of absolute values 40.

Terms

    a(0) =2a(1) =120a(2) =4002a(3) =93500a(4) =1687002a(5) =24836196a(6) =309182762a(7) =3337508646a(8) =31830097752a(9) =272125000774

External references