a(n) = Sum{k=0..n} (-1)^(n-k)*binomial(n, k)*Stirling2(n, k).

A343841

a(n) = Sum{k=0..n} (-1)^(n-k)*binomial(n, k)*Stirling2(n, k).

Terms

    a(0) =1a(1) =1a(2) =-1a(3) =-5a(4) =15a(5) =56a(6) =-455a(7) =-237a(8) =16947a(9) =-64220a(10) =-529494a(11) =6833608a(12) =-8606015a(13) =-459331677a(14) =4335744673a(15) =6800310151a(16) =-518075832085

External references