Expansion of Sum_{n>=1} ( (1 + x^n)^n - 1 ).

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =5a(5) =9a(6) =7a(7) =14a(8) =10a(9) =20a(10) =11a(11) =31a(12) =13a(13) =35a(14) =25a(15) =45a(16) =17a(17) =74a(18) =19a(19) =70a(20) =56a(21) =77a(22) =23a(23) =161a(24) =26a(25) =104a(26) =111a(27) =154a(28) =29a(29) =261