T(n,k)=M(2n+1,n-1,k-1), 0<=k<=n, n >= 0, array M as in A050144.

Terms

a(0) =0a(1) =1a(2) =0a(3) =3a(4) =1a(5) =1a(6) =9a(7) =5a(8) =6a(9) =1a(10) =28a(11) =20a(12) =27a(13) =8a(14) =1a(15) =90a(16) =75a(17) =110a(18) =44a(19) =10a(20) =1a(21) =297a(22) =275a(23) =429a(24) =208a(25) =65a(26) =12a(27) =1a(28) =1001a(29) =1001