p-INVERT of A010892, where p(S) = 1 - S - S^3.

Terms

a(0) =1a(1) =2a(2) =4a(3) =9a(4) =19a(5) =36a(6) =66a(7) =127a(8) =256a(9) =513a(10) =998a(11) =1916a(12) =3717a(13) =7311a(14) =14396a(15) =28134a(16) =54719a(17) =106624a(18) =208577a(19) =408426a(20) =798340a(21) =1558049a(22) =3041323a(23) =5942916a(24) =11618026a(25) =22703871a(26) =44346624a(27) =86617729a(28) =169226638a(29) =330675804