OFFSET
2,1
COMMENTS
Old definition was: "Quotient cycle length in continued fraction expansion of sqrt(2^(2n+1)+1)."
FORMULA
MATHEMATICA
a[n_] := ContinuedFraction[Sqrt[2^(2n+1)+1]] // Last // Length; Table[a[n], {n, 2, 28}] (* Jean-François Alcover, Dec 11 2016 *)
CROSSREFS
KEYWORD
nonn,nice,more
AUTHOR
Labos Elemer, Mar 01 2001
EXTENSIONS
One more term from David W. Wilson, Jun 18 2001
Corrected and extended by Naohiro Nomoto, Nov 09 2001
a(29)-a(31) from Daniel Suteu, Jan 25 2019
a(32) from Chai Wah Wu, Sep 23 2019
a(33)-a(38) from Chai Wah Wu, Sep 25 2019
Simpler definition from Bernard Schott, Sep 26 2019
a(39)-a(41) from Chai Wah Wu, Sep 29 2019
STATUS
approved