Expansion of Sum_{k>=1} k^2 * x^(2*k) / (1 - k * x^k).

Terms

a(0) =0a(1) =1a(2) =1a(3) =5a(4) =1a(5) =18a(6) =1a(7) =33a(8) =28a(9) =58a(10) =1a(11) =246a(12) =1a(13) =178a(14) =369a(15) =577a(16) =1a(17) =1539a(18) =1a(19) =2774a(20) =2531a(21) =2170a(22) =1a(23) =16706a(24) =3126a(25) =8362a(26) =20413a(27) =35366a(28) =1a(29) =116444