Triangle read by rows: T(n,m), n >= 1, 1 <= m <= n, is number of partitions of the set {1,2,...,n} that have at most one block contained in {1,...,m}.
A362924
Triangle read by rows: T(n,m), n >= 1, 1 <= m <= n, is number of partitions of the set {1,2,...,n} that have at most one block contained in {1,...,m}.
Terms
- a(0) =1a(1) =2a(2) =1a(3) =5a(4) =4a(5) =1a(6) =15a(7) =13a(8) =8a(9) =1a(10) =52a(11) =47a(12) =35a(13) =16a(14) =1a(15) =203a(16) =188a(17) =153a(18) =97a(19) =32a(20) =1a(21) =877a(22) =825a(23) =706a(24) =515a(25) =275a(26) =64a(27) =1a(28) =4140a(29) =3937
External references
- oeis: A362924