p-INVERT of (1,0,2,0,3,0,4,0,5,...) (A027656), where p(S) = 1 - S - S^2.

Terms

a(0) =1a(1) =2a(2) =5a(3) =13a(4) =29a(5) =73a(6) =168a(7) =410a(8) =962a(9) =2317a(10) =5483a(11) =13131a(12) =31193a(13) =74509a(14) =177311a(15) =423025a(16) =1007505a(17) =2402354a(18) =5723761a(19) =13644587a(20) =32514730a(21) =77501115a(22) =184698088a(23) =440216833a(24) =1049148789a(25) =2500520812a(26) =5959478837a(27) =14203542282a(28) =33851496564a(29) =80679640434