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

Terms

a(0) =1a(1) =3a(2) =6a(3) =11a(4) =21a(5) =39a(6) =70a(7) =126a(8) =224a(9) =394a(10) =690a(11) =1201a(12) =2079a(13) =3585a(14) =6158a(15) =10541a(16) =17991a(17) =30623a(18) =51996a(19) =88092a(20) =148944a(21) =251364a(22) =423492a(23) =712369a(24) =1196557a(25) =2007135a(26) =3362598a(27) =5626847a(28) =9405465a(29) =15705447