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A054387 Numerators of coefficients of 1/2^(2n+1) in Newton's series for Pi. 1
0, -2, 1, 1, 1, 5, 7, 7, 33, 429, 715, 2431, 4199, 29393, 52003, 185725, 111435, 1938969, 17678835, 21607465, 119409675, 883631595, 109402007, 6116566755, 11435320455, 57176602275, 322476036831, 1215486600363, 2295919134019 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

CROSSREFS

Cf. A054388.

Sequence in context: A181196 A121395 A090628 * A199958 A112734 A157118

Adjacent sequences:  A054384 A054385 A054386 * A054388 A054389 A054390

KEYWORD

sign

AUTHOR

Eric Weisstein (eric(AT)weisstein.com)

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Last modified February 10 11:30 EST 2012. Contains 205223 sequences.