Triangle read by rows: T(n,k) is the number of partitions of the set {1,2,...,n}, having exactly k blocks consisting only odd entries (0<=k<=ceiling(n/2)).
A124420
Triangle read by rows: T(n,k) is the number of partitions of the set {1,2,...,n}, having exactly k blocks consisting only odd entries (0<=k<=ceiling(n/2)).
Terms
- a(0) =1a(1) =0a(2) =1a(3) =1a(4) =1a(5) =1a(6) =3a(7) =1a(8) =5a(9) =8a(10) =2a(11) =9a(12) =26a(13) =15a(14) =2a(15) =52a(16) =101a(17) =45a(18) =5a(19) =130a(20) =385a(21) =287a(22) =70a(23) =5a(24) =855a(25) =1889a(26) =1143a(27) =238a(28) =15a(29) =2707
External references
- oeis: A124420