Expansion of e.g.f. exp(-1 + Product_{k>=1} (1 + x^k/k!)).
A308336
Expansion of e.g.f. exp(-1 + Product_{k>=1} (1 + x^k/k!)).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =8a(4) =31a(5) =147a(6) =884a(7) =5567a(8) =39176a(9) =311400a(10) =2644490a(11) =24206327a(12) =239684768a(13) =2519262527a(14) =28077597357a(15) =331892965533
External references
- oeis: A308336