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

Terms

a(0) =1a(1) =2a(2) =1a(3) =5a(4) =1a(5) =14a(6) =1a(7) =17a(8) =28a(9) =26a(10) =1a(11) =160a(12) =1a(13) =50a(14) =251a(15) =321a(16) =1a(17) =622a(18) =1a(19) =1607a(20) =1030a(21) =122a(22) =1a(23) =6257a(24) =3126a(25) =170a(26) =2917a(27) =12202a(28) =1a(29) =27291