Triangle T(n,k) = 1 + A176304(k) + A176304(n-k) - A176304(n), read by rows.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =-11a(8) =-11a(9) =1a(10) =1a(11) =-23a(12) =-36a(13) =-23a(14) =1a(15) =1a(16) =187a(17) =162a(18) =162a(19) =187a(20) =1a(21) =1a(22) =781a(23) =966a(24) =954a(25) =966a(26) =781a(27) =1a(28) =1a(29) =-7495