E.g.f.: Sum_{n>=0} x^n/n! * Product_{k=1..n} (n+1-k) + k*x.
A316370
E.g.f.: Sum_{n>=0} x^n/n! * Product_{k=1..n} (n+1-k) + k*x.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =21a(4) =152a(5) =1410a(6) =15774a(7) =207984a(8) =3153632a(9) =54074952a(10) =1034749080a(11) =21858562440a(12) =505274905992
External references
- oeis: A316370