Irregular triangle read by rows where T(n,k) is the number of integer compositions of n with k excedances (parts above the diagonal), all zeros removed.

A352524

Irregular triangle read by rows where T(n,k) is the number of integer compositions of n with k excedances (parts above the diagonal), all zeros removed.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =2a(6) =3a(7) =5a(8) =6a(9) =9a(10) =1a(11) =11a(12) =18a(13) =3a(14) =21a(15) =35a(16) =8a(17) =41a(18) =67a(19) =20a(20) =80a(21) =131a(22) =44a(23) =1a(24) =157a(25) =257a(26) =94a(27) =4a(28) =310a(29) =505

External references