Binomial self-convolution of sequence k -> A209305(k+1).

A209306

Binomial self-convolution of sequence k -> A209305(k+1).

Terms

    a(0) =1a(1) =6a(2) =52a(3) =608a(4) =9000a(5) =161320a(6) =3395384a(7) =82067848a(8) =2239857464a(9) =68123898696

External references