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A206161 Decimal expansion of the Fresnel integral int_{x=0..infinity} cos(x^4) dx. 2
8, 3, 7, 4, 0, 6, 6, 9, 6, 7, 6, 9, 0, 8, 6, 4, 8, 3, 0, 8, 3, 6, 0, 2, 7, 2, 2, 1, 8, 0, 8, 3, 2, 2, 6, 1, 3, 7, 9, 0, 6, 1, 6, 6, 1, 2, 9, 9, 0, 1, 0, 8, 4, 4, 3, 4, 1, 8, 9, 8, 0, 0, 2, 0, 8, 6, 0, 1, 9, 0, 3, 9 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..71.

Wikipedia, Fresnel Integral

FORMULA

Equals A093954 * A144981 / A068465 .

EXAMPLE

0.83740669676908648308360272218083226...

MAPLE

evalf(Pi*cos(Pi/8)/GAMMA(3/4)/2^(3/2)) ;

MATHEMATICA

RealDigits[ Sqrt[2 + Sqrt[2]]*Gamma[1/4]/8, 10, 72] // First (* Jean-Fran├žois Alcover, Feb 20 2013 *)

CROSSREFS

Cf. A204067.

Sequence in context: A277775 A199719 A301813 * A131654 A241243 A033990

Adjacent sequences:  A206158 A206159 A206160 * A206162 A206163 A206164

KEYWORD

nonn,cons,easy

AUTHOR

R. J. Mathar, Jan 10 2013

STATUS

approved

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Last modified October 18 18:56 EDT 2019. Contains 328197 sequences. (Running on oeis4.)