E.g.f. A(x) satisfies: Sum_{n>=0} (-x)^n/n! * Product_{k=0..n} (n+1-k) - (k+1)*A(x) = 0.

A306065

E.g.f. A(x) satisfies: Sum_{n>=0} (-x)^n/n! * Product_{k=0..n} (n+1-k) - (k+1)*A(x) = 0.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =9a(4) =60a(5) =545a(6) =6240a(7) =86499a(8) =1407840a(9) =26328105a(10) =556338240a(11) =13110436845a(12) =340916083200

External references