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A006272 Denominators of a continued fraction for 1 + sqrt(2).
(Formerly M4883)
1
12, 2772, 21624369228, 10111847525912679844170507482772 (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.

CROSSREFS

For numerators see A006271.

Sequence in context: A195536 A010053 A092299 * A111237 A028666 A103658

Adjacent sequences:  A006269 A006270 A006271 * A006273 A006274 A006275

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified January 28 10:02 EST 2020. Contains 331319 sequences. (Running on oeis4.)