p-INVERT of the odd positive integers, where p(S) = 1 + S - S^2.

Terms

a(0) =-1a(1) =-1a(2) =4a(3) =9a(4) =5a(5) =8a(6) =63a(7) =183a(8) =348a(9) =745a(10) =2061a(11) =5456a(12) =12991a(13) =30831a(14) =76660a(15) =192137a(16) =472597a(17) =1155032a(18) =2843007a(19) =7024935a(20) =17315404a(21) =42592489a(22) =104847389a(23) =258355104a(24) =636507775a(25) =1567442143a(26) =3859933668a(27) =9507231753a(28) =23417547813a(29) =57675809960