Irregular triangle of coefficients of Product_{j=1..n} (x^j - x - 1), read by rows.

Terms

a(0) =1a(1) =-1a(2) =2a(3) =1a(4) =-1a(5) =-6a(6) =-5a(7) =2a(8) =3a(9) =1a(10) =-1a(11) =24a(12) =26a(13) =-3a(14) =-14a(15) =-13a(16) =-2a(17) =3a(18) =3a(19) =1a(20) =-1a(21) =-120a(22) =-154a(23) =-11a(24) =73a(25) =79a(26) =47a(27) =13a(28) =-21a(29) =-22