Expansion of Product_{m>=1} 1/(1 - m*q^m)^7.

Terms

a(0) =1a(1) =7a(2) =42a(3) =203a(4) =889a(5) =3535a(6) =13209a(7) =46551a(8) =156905a(9) =507787a(10) =1588594a(11) =4819003a(12) =14231294a(13) =41007134a(14) =115589904a(15) =319284693a(16) =865781826a(17) =2307766118a(18) =6054769679a(19) =15652436765a(20) =39909873983a(21) =100451866962