p-INVERT of (1,1,1,1,1,...), where p(S) = 1 - S - S^2 - S^3 - S^4.

Terms

a(0) =1a(1) =3a(2) =9a(3) =27a(4) =80a(5) =235a(6) =688a(7) =2013a(8) =5891a(9) =17244a(10) =50482a(11) =147791a(12) =432672a(13) =1266680a(14) =3708288a(15) =10856241a(16) =31782309a(17) =93044665a(18) =272394011a(19) =797450348a(20) =2334585333a(21) =6834643282a(22) =20008841823a(23) =58577124509a(24) =171488162320a(25) =502042223184