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

Terms

a(0) =0a(1) =1a(2) =0a(3) =2a(4) =1a(5) =1a(6) =5a(7) =4a(8) =5a(9) =1a(10) =14a(11) =14a(12) =20a(13) =7a(14) =1a(15) =42a(16) =48a(17) =75a(18) =35a(19) =9a(20) =1a(21) =132a(22) =165a(23) =275a(24) =154a(25) =54a(26) =11a(27) =1a(28) =429a(29) =572