Expansion of Product_{k>=2} (1 + k*x^k).

Terms

a(0) =1a(1) =0a(2) =2a(3) =3a(4) =4a(5) =11a(6) =14a(7) =29a(8) =35a(9) =85a(10) =101a(11) =187a(12) =276a(13) =419a(14) =686a(15) =1042a(16) =1483a(17) =2258a(18) =3517a(19) =4727a(20) =7720a(21) =10582a(22) =15842a(23) =21985a(24) =32744a(25) =45586a(26) =65598a(27) =93940a(28) =131684a(29) =183731