Self-convolution cube of A113669, where a(n) = A113669(n+1)/(n+1).

A113663

Self-convolution cube of A113669, where a(n) = A113669(n+1)/(n+1).

Terms

    a(0) =1a(1) =3a(2) =21a(3) =226a(4) =3216a(5) =56229a(6) =1158249a(7) =27367560a(8) =728245038a(9) =21531918486a(10) =700096811670

External references