G.f. satisfies A^6 = BINOMIAL(A^5).

A090358

G.f. satisfies A^6 = BINOMIAL(A^5).

Terms

    a(0) =1a(1) =1a(2) =6a(3) =66a(4) =1071a(5) =23151a(6) =627236a(7) =20452976a(8) =779947641a(9) =34050858041

External references