Triangle read by rows: T(n,m) is the number of quaternary words of length n with m strictly increasing runs (0 <= m <= n).

A265644

Triangle read by rows: T(n,m) is the number of quaternary words of length n with m strictly increasing runs (0 <= m <= n).

Terms

    a(0) =1a(1) =0a(2) =4a(3) =0a(4) =6a(5) =10a(6) =0a(7) =4a(8) =40a(9) =20a(10) =0a(11) =1a(12) =65a(13) =155a(14) =35a(15) =0a(16) =0a(17) =56a(18) =456a(19) =456a(20) =56a(21) =0a(22) =0a(23) =28a(24) =728a(25) =2128a(26) =1128a(27) =84a(28) =0a(29) =0

External references