Signed Fibonomial triangle.

Terms

a(0) =1a(1) =1a(2) =-1a(3) =1a(4) =-1a(5) =-1a(6) =1a(7) =-2a(8) =-2a(9) =1a(10) =1a(11) =-3a(12) =-6a(13) =3a(14) =1a(15) =1a(16) =-5a(17) =-15a(18) =15a(19) =5a(20) =-1a(21) =1a(22) =-8a(23) =-40a(24) =60a(25) =40a(26) =-8a(27) =-1a(28) =1a(29) =-13