Expansion of (-1 + Product_{k>=1} 1 / (1 - x^k))^10.

Terms

a(0) =1a(1) =20a(2) =210a(3) =1550a(4) =9055a(5) =44624a(6) =192945a(7) =751480a(8) =2686155a(9) =8934560a(10) =27946335a(11) =82884860a(12) =234636435a(13) =637416140a(14) =1669127130a(15) =4228739712a(16) =10398140075a(17) =24882425770a(18) =58080468790a(19) =132508486900a(20) =296005537183a(21) =648445364080