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

Terms

a(0) =1a(1) =2a(2) =5a(3) =11a(4) =26a(5) =58a(6) =134a(7) =303a(8) =693a(9) =1576a(10) =3593a(11) =8184a(12) =18645a(13) =42480a(14) =96773a(15) =220481a(16) =502290a(17) =1144350a(18) =2607062a(19) =5939501a(20) =13531493a(21) =30827806a(22) =70232669a(23) =160005808a(24) =364529269a(25) =830479602a(26) =1892019493a(27) =4310445875a(28) =9820165646a(29) =22372546322