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

Terms

a(0) =0a(1) =1a(2) =0a(3) =1a(4) =2a(5) =1a(6) =4a(7) =4a(8) =6a(9) =11a(10) =12a(11) =22a(12) =30a(13) =42a(14) =68a(15) =91a(16) =140a(17) =205a(18) =292a(19) =443a(20) =634a(21) =936a(22) =1380a(23) =1999a(24) =2960a(25) =4316a(26) =6324a(27) =9300a(28) =13576a(29) =19949