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A006274 Denominators of a continued fraction.
(Formerly M5243)
0
33, 46728, 102266868085272, 1069559300034650646049671038948382825526728 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

REFERENCES

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

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

FORMULA

Conjecture: a(n)=A006268(n+1)-A006268(n). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 26 2007

CROSSREFS

Sequence in context: A061687 A116056 A092815 * A060767 A171705 A023928

Adjacent sequences:  A006271 A006272 A006273 * A006275 A006276 A006277

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 15 05:29 EST 2012. Contains 205694 sequences.