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A006274 Denominators of a continued fraction for (3+sqrt(13))/2.
(Formerly M5243)
1
33, 46728, 102266868085272, 1069559300034650646049671038948382825526728 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=0..3.

Jeffrey Shallit, Predictable regular continued cotangent expansions, J. Res. Nat. Bur. Standards Sect. B 80B (1976), no. 2, 285-290.

FORMULA

Conjecture: a(n)=A006268(n+1)-A006268(n). - R. J. Mathar, Apr 26 2007

CROSSREFS

For numerators see A006273.

Cf. A098316.

Sequence in context: A232456 A229932 A238611 * A230174 A060767 A220350

Adjacent sequences:  A006271 A006272 A006273 * A006275 A006276 A006277

KEYWORD

nonn,frac

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 21 04:18 EST 2019. Contains 320371 sequences. (Running on oeis4.)