Triangle T(n,k) = 1 - A176337(k) - A176337(n-k) + A176337(n) read by rows.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =-3a(5) =1a(6) =1a(7) =17a(8) =17a(9) =1a(10) =1a(11) =-239a(12) =-219a(13) =-239a(14) =1a(15) =1a(16) =7169a(17) =6933a(18) =6933a(19) =7169a(20) =1a(21) =1a(22) =-444479a(23) =-437307a(24) =-437563a(25) =-437307a(26) =-444479a(27) =1a(28) =1a(29) =56004353