Inverse of number triangle A106268; triangle T(n,k), 0 <= k <= n.

Terms

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