Triangle read by rows: T(n,k) is the number of partitions of a 4-colored set of n objects into at most k parts with 0 <= k <= n.
A382241
Triangle read by rows: T(n,k) is the number of partitions of a 4-colored set of n objects into at most k parts with 0 <= k <= n.
Terms
- a(0) =1a(1) =0a(2) =4a(3) =0a(4) =10a(5) =20a(6) =0a(7) =20a(8) =60a(9) =80a(10) =0a(11) =35a(12) =170a(13) =270a(14) =305a(15) =0a(16) =56a(17) =396a(18) =816a(19) =1016a(20) =1072a(21) =0a(22) =84a(23) =868a(24) =2238a(25) =3188a(26) =3538a(27) =3622a(28) =0a(29) =120
External references
- oeis: A382241