G.f. A(x) satisfies: A(x) = 1/(1 - x^a(0) - x^a(1) - x^a(2) - x^a(3) - ...) - x.

Terms

a(0) =1a(1) =1a(2) =4a(3) =8a(4) =17a(5) =36a(6) =76a(7) =160a(8) =338a(9) =714a(10) =1508a(11) =3184a(12) =6723a(13) =14196a(14) =29976a(15) =63296a(16) =133653a(17) =282217a(18) =595920a(19) =1258324a(20) =2657032a(21) =5610494a(22) =11846920a(23) =25015536a(24) =52821917a(25) =111536883a(26) =235517320a(27) =497310008a(28) =1050102149a(29) =2217358398