Denominators of the convergents to the supergolden ratio.

Terms

a(0) =1a(1) =2a(2) =13a(3) =15a(4) =58a(5) =305a(6) =1278a(7) =28421a(8) =29699a(9) =58120a(10) =262179a(11) =320299a(12) =902777a(13) =76153567a(14) =77056344a(15) =307322599a(16) =384378943a(17) =2613596257a(18) =2997975200a(19) =11607521857a(20) =14605497057a(21) =143056995370a(22) =157662492427a(23) =300719487797a(24) =458381980224a(25) =759101468021