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

Terms

a(0) =0a(1) =2a(2) =4a(3) =7a(4) =20a(5) =42a(6) =92a(7) =214a(8) =472a(9) =1062a(10) =2396a(11) =5361a(12) =12052a(13) =27074a(14) =60764a(15) =136497a(16) =306520a(17) =688292a(18) =1545768a(19) =3471224a(20) =7795184a(21) =17505588a(22) =39311608a(23) =88280985a(24) =198250312a(25) =445204610a(26) =999783508a(27) =2245185343a(28) =5041947516a(29) =11322557726