Triangle read by rows. Number T(n, k) of partitions of the multiset [1, 1, 1, 2, 2, 2, ..., n, n, n] into k nonempty subsets, for 3 <= k <= 3n.
A360037
Triangle read by rows. Number T(n, k) of partitions of the multiset [1, 1, 1, 2, 2, 2, ..., n, n, n] into k nonempty subsets, for 3 <= k <= 3n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =4a(7) =10a(8) =13a(9) =7a(10) =3a(11) =1a(12) =1a(13) =14a(14) =92a(15) =221a(16) =249a(17) =172a(18) =81a(19) =25a(20) =6a(21) =1a(22) =1a(23) =50a(24) =872a(25) =4277a(26) =8806a(27) =9840a(28) =6945a(29) =3377
External references
- oeis: A360037