A099281 - OEIS

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A099281

Decimal expansion of the sine integral at 1.

9, 4, 6, 0, 8, 3, 0, 7, 0, 3, 6, 7, 1, 8, 3, 0, 1, 4, 9, 4, 1, 3, 5, 3, 3, 1, 3, 8, 2, 3, 1, 7, 9, 6, 5, 7, 8, 1, 2, 3, 3, 7, 9, 5, 4, 7, 3, 8, 1, 1, 1, 7, 9, 0, 4, 7, 1, 4, 5, 4, 7, 7, 3, 5, 6, 6, 6, 8, 7, 0, 3, 6, 5, 4, 0, 7, 9, 7, 9, 1, 8, 0, 8, 8, 7, 0, 2, 1, 3, 3, 0, 8, 1, 7, 4, 0, 7, 1, 1, 2, 1, 5, 0, 2, 3

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OFFSET

0,1

REFERENCES

HP 82480A Math Pac Owner's Manual For the HP-71, Section 11: Numerical Integration, Page 118.

LINKS

Table of n, a(n) for n=0..104.

Joseph K. Horn and O. Praem, Numerical Integration .

FORMULA

From Amiram Eldar, Aug 21 2020: (Start)

Equals Integral_{x=0..1} sin(x)/x dx.

Equals -Integral_{x=0..1} log(x)*cos(x) dx.