Expansion of g.f. Product((1+x^i)/(1-x^i),i=1..n-1)/(1-x^n), with n = 6.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =14a(5) =24a(6) =39a(7) =60a(8) =90a(9) =132a(10) =188a(11) =262a(12) =359a(13) =482a(14) =638a(15) =834a(16) =1074a(17) =1368a(18) =1725a(19) =2152a(20) =2662a(21) =3266a(22) =3974a(23) =4802a(24) =5765a(25) =6876a(26) =8154a(27) =9618a(28) =11284a(29) =13176