L.g.f.: log(Product_{k>=1} (1 + x^k/(1 - x))) = Sum_{k>=1} a(k)*x^k/k.

Terms

a(0) =1a(1) =3a(2) =7a(3) =11a(4) =16a(5) =21a(6) =29a(7) =35a(8) =43a(9) =48a(10) =56a(11) =65a(12) =79a(13) =87a(14) =97a(15) =99a(16) =103a(17) =111a(18) =134a(19) =156a(20) =182a(21) =190a(22) =185a(23) =161a(24) =141a(25) =133a(26) =178a(27) =263a(28) =378a(29) =471