A381125 - OEIS

A381125

Denominators of the convergents to the supergolden ratio.

1, 2, 13, 15, 58, 305, 1278, 28421, 29699, 58120, 262179, 320299, 902777, 76153567, 77056344, 307322599, 384378943, 2613596257, 2997975200, 11607521857, 14605497057, 143056995370, 157662492427, 300719487797, 458381980224, 759101468021, 14881309872623

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

Table of n, a(n) for n=0..26.

Eric Weisstein's World of Mathematics, Convergent.

Eric Weisstein's World of Mathematics, Denominator.

Eric Weisstein's World of Mathematics, Supergolden Ratio.

MATHEMATICA

Denominator[Convergents[Root[-1 - #^2 + #^3&, 1, 0], 20]]

CROSSREFS

Cf. A092526 (decimal digits), A369346 (continued fraction).