Numerator of the sum S(n) defined in A376052.

A376053

Numerator of the sum S(n) defined in A376052.

Terms

    a(0) =1a(1) =8a(2) =71a(3) =248a(4) =3043a(5) =43024a(6) =89051a(7) =764441a(8) =451021514a(9) =25508567769

External references