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A101512 Decimal representation of the SinIntegral(2Pi). 0
1, 4, 1, 8, 1, 5, 1, 5, 7, 6, 1, 3, 2, 6, 2, 8, 4, 5, 0, 2, 4, 5, 7, 8, 0, 1, 6, 2, 2, 9, 9, 7, 4, 9, 4, 2, 9, 1, 4, 2, 4, 5, 3, 3, 4, 9, 2, 9, 5, 0, 1, 6, 2, 7, 1, 8, 4, 2, 7, 2, 0, 2, 2, 9, 6, 9, 6, 1, 0, 7, 0, 9, 8, 7, 4, 6, 4, 2, 2, 0, 1, 4, 4, 9, 1, 3, 6, 5, 9, 7, 5, 8, 2, 2, 0, 9, 9, 7, 1, 0, 7, 5, 2, 7, 3 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Si(Infinity)=Pi/2=~1.57079... (A019669).

LINKS

Table of n, a(n) for n=1..105.

FORMULA

Integral_{0..2Pi) Sin(x)/x, the area of its first full cycle.

EXAMPLE

1.41815157613262845024578016229974942914245334929501627184272022969...

MATHEMATICA

RealDigits[ SinIntegral[2Pi], 10, 111] [[1]]

CROSSREFS

Cf. A036792, A099281.

Sequence in context: A143320 A089146 A239666 * A085994 A179836 A040019

Adjacent sequences:  A101509 A101510 A101511 * A101513 A101514 A101515

KEYWORD

cons,nonn

AUTHOR

Robert G. Wilson v, Jan 25 2005

STATUS

approved

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Last modified June 25 10:47 EDT 2017. Contains 288709 sequences.