Odd terms in A014217.

Terms

a(0) =1a(1) =1a(2) =11a(3) =17a(4) =29a(5) =199a(6) =321a(7) =521a(8) =3571a(9) =5777a(10) =9349a(11) =64079a(12) =103681a(13) =167761a(14) =1149851a(15) =1860497a(16) =3010349a(17) =20633239a(18) =33385281a(19) =54018521a(20) =370248451a(21) =599074577a(22) =969323029a(23) =6643838879a(24) =10749957121a(25) =17393796001a(26) =119218851371a(27) =192900153617a(28) =312119004989