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A309209
Continued fraction expansion of the negation of the constant defined by A265011 (among other formulas, this is Sum_{k >= 1} arctan((-1)^k/k)).
1
-1, 2, 36, 1, 40, 1, 94, 1, 1
OFFSET
0,2
LINKS
W. M. Gosper, Material from Bill Gosper's Computers & Math talk, M.I.T., 1989, i+38+1 pages, annotated and scanned, included with the author's permission. (There are many blank pages because about half of the original pages were two-sided, half were one-sided.) See page 8.
CROSSREFS
Cf. A265011.
Sequence in context: A032369 A134729 A342674 * A094716 A094725 A095397
KEYWORD
sign,cofr,more
AUTHOR
N. J. A. Sloane, Jul 29 2019; definition corrected Jul 30 2019 (Thanks to Jianing Song for pointing out that something was wrong.)
EXTENSIONS
Name corrected by Jianing Song, Aug 30 2019
STATUS
approved