Expansion of Product_{k>=0} 1/(1-x^(5*k+1))^(5*k+1).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =7a(7) =7a(8) =7a(9) =7a(10) =7a(11) =18a(12) =39a(13) =39a(14) =39a(15) =39a(16) =55a(17) =121a(18) =177a(19) =177a(20) =177a(21) =198a(22) =360a(23) =591a(24) =717a(25) =717a(26) =743a(27) =1045a(28) =1777a(29) =2393