Triangle of polynomial coefficients of the polynomial factors defined in A074051.

Terms

a(0) =1a(1) =-1a(2) =1a(3) =-1a(4) =-1a(5) =1a(6) =7a(7) =-2a(8) =-1a(9) =1a(10) =-13a(11) =12a(12) =-3a(13) =-1a(14) =1a(15) =-17a(16) =-22a(17) =18a(18) =-4a(19) =-1a(20) =1a(21) =199a(22) =-45a(23) =-35a(24) =25a(25) =-5a(26) =-1a(27) =1a(28) =-605a(29) =465