Equals the self-convolution of A089470 and also the hyperbinomial transform of A089470.

A089471

Equals the self-convolution of A089470 and also the hyperbinomial transform of A089470.

Terms

    a(0) =1a(1) =2a(2) =9a(3) =66a(4) =680a(5) =9054a(6) =147811a(7) =2855574a(8) =63656423a(9) =1607072112a(10) =45294892304

External references