Triangle read by rows: T(n,k) is the number of partitions of a 4-colored set of n objects into exactly k parts with 0 <= k <= n.
A382341
Triangle read by rows: T(n,k) is the number of partitions of a 4-colored set of n objects into exactly k parts with 0 <= k <= n.
Terms
- a(0) =1a(1) =0a(2) =4a(3) =0a(4) =10a(5) =10a(6) =0a(7) =20a(8) =40a(9) =20a(10) =0a(11) =35a(12) =135a(13) =100a(14) =35a(15) =0a(16) =56a(17) =340a(18) =420a(19) =200a(20) =56a(21) =0a(22) =84a(23) =784a(24) =1370a(25) =950a(26) =350a(27) =84a(28) =0a(29) =120
External references
- oeis: A382341