Expansion of Product_{k>=1} 1/(1-x^(k+4))^k.

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =2a(7) =3a(8) =4a(9) =5a(10) =7a(11) =9a(12) =14a(13) =19a(14) =29a(15) =40a(16) =58a(17) =79a(18) =113a(19) =153a(20) =215a(21) =294a(22) =407a(23) =555a(24) =767a(25) =1040a(26) =1424a(27) =1930a(28) =2624a(29) =3540