Triangle read by rows: T(n,k) is the number of partitions of the set {1,2,...,n}, having exactly k blocks consisting only even entries (0<=k<=floor(n/2)).
A124422
Triangle read by rows: T(n,k) is the number of partitions of the set {1,2,...,n}, having exactly k blocks consisting only even entries (0<=k<=floor(n/2)).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =2a(6) =5a(7) =8a(8) =2a(9) =22a(10) =25a(11) =5a(12) =52a(13) =101a(14) =45a(15) =5a(16) =283a(17) =423a(18) =156a(19) =15a(20) =855a(21) =1889a(22) =1143a(23) =238a(24) =15a(25) =5451a(26) =9726a(27) =5002a(28) =916a(29) =52
External references
- oeis: A124422