T(n,k)=M(2n+3,n+3,k+3), 0<=k<=n, n >= 0, array M as in A050144.

Terms

a(0) =1a(1) =4a(2) =1a(3) =14a(4) =6a(5) =1a(6) =48a(7) =27a(8) =8a(9) =1a(10) =165a(11) =110a(12) =44a(13) =10a(14) =1a(15) =572a(16) =429a(17) =208a(18) =65a(19) =12a(20) =1a(21) =2002a(22) =1638a(23) =910a(24) =350a(25) =90a(26) =14a(27) =1a(28) =7072a(29) =6188