Number of integer sequences of length n+1 with sum zero and sum of absolute values 30.

A157064

Number of integer sequences of length n+1 with sum zero and sum of absolute values 30.

Terms

    a(0) =2a(1) =90a(2) =2252a(3) =39500a(4) =535502a(5) =5930022a(6) =55599992a(7) =452715672a(8) =3262336002a(9) =21114177018a(10) =124188986196a(11) =670283877588

External references