Self-convolution 4th power equals A113664, where a(n) = n*A113664(n-1) for n>=1, with a(0)=1.

A113670

Self-convolution 4th power equals A113664, where a(n) = n*A113664(n-1) for n>=1, with a(0)=1.

Terms

    a(0) =1a(1) =1a(2) =8a(3) =114a(4) =2224a(5) =53725a(6) =1528200a(7) =49703108a(8) =1813503712a(9) =73247619060

External references