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A212113 Denominators of convergents to the Dottie number, A003957 5
1, 1, 3, 4, 19, 23, 939, 962, 9597, 39350, 88297, 127647, 2003002, 4133651, 51606814, 55740465, 1222156579, 1277897044, 22946406327, 1194491026048, 3606419484471, 4800910510519, 32411882547585 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..1000

Eric Weisstein's World of Mathematics, Dottie Number

MATHEMATICA

z = FindRoot[Cos[x] == x, {x, 0, 1}, WorkingPrecision -> 10000][[1, -1]]; Denominator[Convergents[z, 100]]

CROSSREFS

Cf. A003957, A212112.

Sequence in context: A042175 A041703 A036253 * A196133 A330436 A025089

Adjacent sequences:  A212110 A212111 A212112 * A212114 A212115 A212116

KEYWORD

nonn,frac

AUTHOR

Ben Branman, May 01 2012

STATUS

approved

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Last modified May 11 13:41 EDT 2021. Contains 343791 sequences. (Running on oeis4.)