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 submultisets, for 1 <= k <= 3n.
A358721
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 submultisets, for 1 <= k <= 3n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =7a(6) =11a(7) =8a(8) =3a(9) =1a(10) =1a(11) =31a(12) =139a(13) =219a(14) =175a(15) =86a(16) =28a(17) =6a(18) =1a(19) =1a(20) =127a(21) =1547a(22) =5321a(23) =8004a(24) =6687a(25) =3579a(26) =1329a(27) =359a(28) =71a(29) =10
External references
- oeis: A358721