G.f.: Sum_{n>=0} (3*n+2)^n * x^n / (1 + (3*n+2)*x)^n.
A187739
G.f.: Sum_{n>=0} (3*n+2)^n * x^n / (1 + (3*n+2)*x)^n.
Terms
- a(0) =1a(1) =5a(2) =39a(3) =432a(4) =6156a(5) =106920a(6) =2187000a(7) =51438240a(8) =1366787520a(9) =40474546560
External references
- oeis: A187739