Expansion of g.f. Product((1+x^i)/(1-x^i),i=1..n-1)/(1-x^n), with n = 7.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =14a(5) =24a(6) =40a(7) =63a(8) =96a(9) =144a(10) =210a(11) =300a(12) =422a(13) =582a(14) =791a(15) =1062a(16) =1406a(17) =1840a(18) =2384a(19) =3056a(20) =3882a(21) =4891a(22) =6110a(23) =7576a(24) =9330a(25) =11412a(26) =13872a(27) =16766a(28) =20149a(29) =24088