Triangle read by rows: coefficients of the complementary Swiss-Knife polynomials.

Terms

a(0) =0a(1) =1a(2) =0a(3) =0a(4) =2a(5) =0a(6) =-2a(7) =0a(8) =3a(9) =0a(10) =0a(11) =-8a(12) =0a(13) =4a(14) =0a(15) =16a(16) =0a(17) =-20a(18) =0a(19) =5a(20) =0a(21) =0a(22) =96a(23) =0a(24) =-40a(25) =0a(26) =6a(27) =0a(28) =-272a(29) =0