Self-convolution 4th power of A113670, where a(n) = A113670(n+1)/(n+1).

A113664

Self-convolution 4th power of A113670, where a(n) = A113670(n+1)/(n+1).

Terms

    a(0) =1a(1) =4a(2) =38a(3) =556a(4) =10745a(5) =254700a(6) =7100444a(7) =226687964a(8) =8138624340a(9) =324257974800

External references