p-INVERT of A079977, where p(S) = 1 - S - S^2.

Terms

a(0) =1a(1) =2a(2) =4a(3) =9a(4) =19a(5) =43a(6) =91a(7) =202a(8) =433a(9) =952a(10) =2055a(11) =4494a(12) =9737a(13) =21236a(14) =46099a(15) =100403a(16) =218164a(17) =474833a(18) =1032256a(19) =2245929a(20) =4883690a(21) =10623848a(22) =23103985a(23) =50255443a(24) =109298635a(25) =237734446a(26) =517055409a(27) =1124617945a(28) =2446001258a(29) =5320100761