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

Terms

a(0) =1a(1) =3a(2) =5a(3) =12a(4) =27a(5) =58a(6) =130a(7) =285a(8) =629a(9) =1389a(10) =3060a(11) =6753a(12) =14892a(13) =32844a(14) =72445a(15) =159775a(16) =352401a(17) =777244a(18) =1714259a(19) =3780930a(20) =8339090a(21) =18392449a(22) =40565829a(23) =89470733a(24) =197333940a(25) =435233685a(26) =959938112a(27) =2117210180a(28) =4669654005a(29) =10299246171