p-INVERT of (1,0,1,0,1,0,1,0,1,...) (A059841), where p(S) = 1 - S - S^2.

Terms

a(0) =1a(1) =2a(2) =4a(3) =9a(4) =18a(5) =39a(6) =80a(7) =170a(8) =353a(9) =744a(10) =1553a(11) =3262a(12) =6824a(13) =14313a(14) =29970a(15) =62823a(16) =131596a(17) =275782a(18) =577777a(19) =1210704a(20) =2536657a(21) =5315210a(22) =11136700a(23) =23334969a(24) =48893202a(25) =102446199a(26) =214654136a(27) =449764562a(28) =942387569a(29) =1974580920