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A002795 Denominators of convergents to Lehmer's constant.
(Formerly M1545 N0603)
6
1, 2, 5, 27, 923, 909182, 1046593950039, 1168971346319460027570137, 1730152138254248421873938035305987364739567671241 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

D. H. Lehmer, A cotangent analogue of continued fractions, Duke Math. J., 4 (1935), 323-340.

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

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

J. W. Wrench, Jr., personal communication.

LINKS

Table of n, a(n) for n=0..8.

D. H. Lehmer, A cotangent analogue of continued fractions, Duke Math. J., 4 (1935), 323-340. [Annotated scanned copy]

J. W. Wrench, Jr., Letters to N. J. A. Sloane, Feb 1974

CROSSREFS

Cf. A002794, A002795, A002665, A030125, A002065.

Sequence in context: A203195 A058182 A057438 * A208218 A208221 A208224

Adjacent sequences:  A002792 A002793 A002794 * A002796 A002797 A002798

KEYWORD

nonn,frac

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 15 20:32 EST 2019. Contains 320138 sequences. (Running on oeis4.)