Number of blocks of size >= n in all set partitions of [2n].
A286896
Number of blocks of size >= n in all set partitions of [2n].
Terms
- a(0) =1a(1) =3a(2) =17a(3) =137a(4) =1395a(5) =16955a(6) =237426a(7) =3740609a(8) =65197797a(9) =1241499241a(10) =25577181324a(11) =565688751435
External references
- oeis: A286896