Triangle T(n,k) read by rows, matrix product of A046899(row-reversed) * A130595.

Terms

a(0) =1a(1) =1a(2) =1a(3) =4a(4) =1a(5) =1a(6) =13a(7) =5a(8) =1a(9) =1a(10) =46a(11) =16a(12) =6a(13) =1a(14) =1a(15) =166a(16) =58a(17) =19a(18) =7a(19) =1a(20) =1a(21) =610a(22) =211a(23) =71a(24) =22a(25) =8a(26) =1a(27) =1a(28) =2269a(29) =781