Number of partitions of n-set with at least one even block.
A089005
Number of partitions of n-set with at least one even block.
Terms
- a(0) =0a(1) =1a(2) =3a(3) =10a(4) =40a(5) =166a(6) =749a(7) =3683a(8) =19275a(9) =107806a(10) =640970a(11) =4024912a(12) =26653653a(13) =185401581a(14) =1350624721a(15) =10282222002a(16) =81592209580a(17) =673535269054
External references
- oeis: A089005