p-INVERT of the positive integers, where p(S) = 1 - S^3 - S^4.

Terms

a(0) =0a(1) =0a(2) =1a(3) =7a(4) =29a(5) =93a(6) =260a(7) =689a(8) =1845a(9) =5150a(10) =14897a(11) =43663a(12) =127451a(13) =368383a(14) =1056682a(15) =3022366a(16) =8651672a(17) =24818978a(18) =71319058a(19) =205070493a(20) =589550733a(21) =1694075057a(22) =4866102091a(23) =13975547842a(24) =40139685023a(25) =115298782211a(26) =331216158188a(27) =951506566087