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

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =10a(5) =22a(6) =49a(7) =107a(8) =229a(9) =486a(10) =1035a(11) =2225a(12) =4825a(13) =10508a(14) =22875a(15) =49624a(16) =107154a(17) =230356a(18) =493471a(19) =1054602a(20) =2250850a(21) =4801825a(22) =10244940a(23) =21865466a(24) =46680201a(25) =99659713a(26) =212697816a(27) =453634533a(28) =966551216a(29) =2057052465