Expansion of e.g.f. Sum_{n>=0} 1/(n+1)! * Product_{k=1..n} ((1+x)^(n+k) - 1).
A207648
Expansion of e.g.f. Sum_{n>=0} 1/(n+1)! * Product_{k=1..n} ((1+x)^(n+k) - 1).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =60a(4) =1192a(5) =34790a(6) =1378380a(7) =70445130a(8) =4478636736a(9) =344722776048
External references
- oeis: A207648