Expansion of e.g.f. Sum_{k>=0} x^k / (1 - k*x^k/k!).
A356667
Expansion of e.g.f. Sum_{k>=0} x^k / (1 - k*x^k/k!).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =12a(4) =72a(5) =240a(6) =2520a(7) =10080a(8) =127680a(9) =816480a(10) =11037600a(11) =79833600a(12) =1514177280a(13) =12454041600a(14) =261655954560
External references
- oeis: A356667