a(1) = 1, a(2) = 6, a(n+2) = 6*a(n+1) + (n + 1)*(n + 2)*a(n).
A142985
a(1) = 1, a(2) = 6, a(n+2) = 6*a(n+1) + (n + 1)*(n + 2)*a(n).
Terms
- a(0) =1a(1) =6a(2) =42a(3) =324a(4) =2784a(5) =26424a(6) =275472a(7) =3132576a(8) =38629440a(9) =513708480a(10) =7331489280a(11) =111798455040
External references
- oeis: A142985