Expansion of 1 / Sum_{k>=0} x^(k*(3*k - 2)).

Terms

a(0) =1a(1) =-1a(2) =1a(3) =-1a(4) =1a(5) =-1a(6) =1a(7) =-1a(8) =0a(9) =1a(10) =-2a(11) =3a(12) =-4a(13) =5a(14) =-6a(15) =7a(16) =-7a(17) =6a(18) =-4a(19) =1a(20) =3a(21) =-9a(22) =16a(23) =-24a(24) =32a(25) =-39a(26) =44a(27) =-46a(28) =44a(29) =-35