Expansion of Sum_{k>=1} x^k / (1 - k * x^k)^k.

Terms

a(0) =1a(1) =2a(2) =2a(3) =6a(4) =2a(5) =23a(6) =2a(7) =50a(8) =56a(9) =107a(10) =2a(11) =660a(12) =2a(13) =499a(14) =1592a(15) =2370a(16) =2a(17) =8246a(18) =2a(19) =18557a(20) =21786a(21) =11387a(22) =2a(23) =175198a(24) =43752a(25) =53419a(26) =298892a(27) =487762a(28) =2a(29) =1891098