a(0)=2; for n > 0, a(n) = (n+2)*a(n-1) + 1.
A185109
a(0)=2; for n > 0, a(n) = (n+2)*a(n-1) + 1.
Terms
- a(0) =2a(1) =7a(2) =29a(3) =146a(4) =877a(5) =6140a(6) =49121a(7) =442090a(8) =4420901a(9) =48629912a(10) =583558945a(11) =7586266286a(12) =106207728005
External references
- oeis: A185109