Recip transform of 2*(1 + x^2 + x^5)-1/(1-x).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =13a(6) =43a(7) =115a(8) =293a(9) =837a(10) =2709a(11) =8945a(12) =28419a(13) =87857a(14) =273911a(15) =877575a(16) =2864865a(17) =9375817a(18) =30567385a(19) =99663761a(20) =326774715a(21) =1078769829a(22) =3576918307a(23) =11882250891a(24) =39523870597a(25) =131743569949a(26) =440333991293