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A002668 Continued cotangent for e.
(Formerly M1900 N0748)
+0
12
2, 8, 75, 8949, 119646723, 15849841722437093, 708657580163382065836292133774995, 529026553215766321676623343348414600292754204772300344704877695232 (list; graph; listen)
OFFSET

1,1

REFERENCES

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

LINKS

Eric Weisstein's World of Mathematics, Lehmer Cotangent Expansion

CROSSREFS

Sequence in context: A012998 A064605 A132039 this_sequence A093062 A057984 A071254

Adjacent sequences: A002665 A002666 A002667 this_sequence A002669 A002670 A002671

KEYWORD

nonn,easy,nice

AUTHOR

njas

EXTENSIONS

More terms from J. O. Shallit.

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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