a(n) = n! * LaguerreL(n, -n+1).

A344106

a(n) = n! * LaguerreL(n, -n+1).

Terms

    a(0) =1a(1) =1a(2) =7a(3) =86a(4) =1473a(5) =32344a(6) =866695a(7) =27422352a(8) =1000578817a(9) =41361536384

External references