Triangle read by rows: T(n,k) is the number of partitions of a 3-colored set of n objects into exactly k parts with 0 <= k <= n.

A382340

Triangle read by rows: T(n,k) is the number of partitions of a 3-colored set of n objects into exactly k parts with 0 <= k <= n.

Terms

    a(0) =1a(1) =0a(2) =3a(3) =0a(4) =6a(5) =6a(6) =0a(7) =10a(8) =18a(9) =10a(10) =0a(11) =15a(12) =51a(13) =36a(14) =15a(15) =0a(16) =21a(17) =105a(18) =123a(19) =60a(20) =21a(21) =0a(22) =28a(23) =208a(24) =326a(25) =226a(26) =90a(27) =28a(28) =0a(29) =36

External references