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A228719 Decimal expansion of 3*Pi/5. 4
1, 8, 8, 4, 9, 5, 5, 5, 9, 2, 1, 5, 3, 8, 7, 5, 9, 4, 3, 0, 7, 7, 5, 8, 6, 0, 2, 9, 9, 6, 7, 7, 0, 1, 7, 3, 0, 5, 1, 8, 3, 0, 1, 6, 3, 9, 6, 2, 5, 0, 6, 3, 4, 9, 2, 5, 8, 4, 9, 6, 6, 7, 5, 5, 3, 8, 4, 6, 8, 9, 8, 4, 3, 7, 7, 1, 7, 2, 5, 3, 9, 9, 1, 7, 6, 8, 2, 0, 8, 9, 5, 2, 0, 5, 2, 7, 0, 2, 4, 0, 7, 8, 9 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

With offset 2, decimal expansion of 6*Pi.

6*Pi is also the surface area of a sphere whose diameter equals the square root of 6. More generally x*Pi is also the surface area of a sphere whose diameter equals the square root of x. - Omar E. Pol, Dec 22 2013

LINKS

Table of n, a(n) for n=1..103.

EXAMPLE

3*Pi/5 = 1.8849555921538759430775860299677017305183...

6*Pi = 18.849555921538759430775860299677017305183...

CROSSREFS

Cf. A000796, A019692, A122952, A019694, A019669 (Pi through 5*Pi).

Sequence in context: A154841 A258984 A112116 * A021117 A305208 A081799

Adjacent sequences:  A228716 A228717 A228718 * A228720 A228721 A228722

KEYWORD

nonn,cons

AUTHOR

Omar E. Pol, Oct 03 2013

STATUS

approved

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Last modified February 23 14:41 EST 2020. Contains 332163 sequences. (Running on oeis4.)