Expansion of Sum_{k>0} k^2 * x^k/(1 + x^k)^3.

Terms

a(0) =1a(1) =1a(2) =15a(3) =-6a(4) =40a(5) =12a(6) =77a(7) =-60a(8) =180a(9) =30a(10) =187a(11) =-120a(12) =260a(13) =56a(14) =630a(15) =-376a(16) =442a(17) =117a(18) =551a(19) =-340a(20) =1218a(21) =132a(22) =805a(23) =-1104a(24) =1325a(25) =182a(26) =1998a(27) =-672a(28) =1276a(29) =360