A000110 / (1,2,3,...): (convolved with (1,2,3,...) = Bell numbers).
A154108
A000110 / (1,2,3,...): (convolved with (1,2,3,...) = Bell numbers).
Terms
- a(0) =1a(1) =0a(2) =2a(3) =7a(4) =27a(5) =114a(6) =523a(7) =2589a(8) =13744a(9) =77821a(10) =467767a(11) =2972432a(12) =19895813a(13) =139824045a(14) =1028804338a(15) =7905124379a(16) =63287544055a(17) =526827208698
External references
- oeis: A154108