G.f.: q * Product_{m>=1} (1-q^m)^8*(1-q^2m)^8.

Terms

a(0) =0a(1) =1a(2) =-8a(3) =12a(4) =64a(5) =-210a(6) =-96a(7) =1016a(8) =-512a(9) =-2043a(10) =1680a(11) =1092a(12) =768a(13) =1382a(14) =-8128a(15) =-2520a(16) =4096a(17) =14706a(18) =16344a(19) =-39940a(20) =-13440a(21) =12192a(22) =-8736a(23) =68712a(24) =-6144a(25) =-34025a(26) =-11056a(27) =-50760a(28) =65024a(29) =-102570