Irregular triangle read by rows: T(n,k) is the sum of all parts of all partitions of n with k designated summands, n >= 1, 1 <= k <= A003056(n).

A386997

Irregular triangle read by rows: T(n,k) is the sum of all parts of all partitions of n with k designated summands, n >= 1, 1 <= k <= A003056(n).

Terms

    a(0) =1a(1) =6a(2) =12a(3) =3a(4) =28a(5) =12a(6) =30a(7) =45a(8) =72a(9) =90a(10) =6a(11) =56a(12) =210a(13) =21a(14) =120a(15) =360a(16) =72a(17) =117a(18) =603a(19) =198a(20) =180a(21) =990a(22) =420a(23) =10a(24) =132a(25) =1485a(26) =891a(27) =33a(28) =336a(29) =2100

External references