A057466 - OEIS

A057466

The ninth root of 10*e^8.

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

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

"There are many approximate relations between e and [Pi], most of them rather crude. This one is surprisingly accurate: ... = 3.14159 828 ... [.] [Michele Fanelli]"

REFERENCES

David Wells, "The Penguin Dictionary of Curious and Interesting Numbers," Revised Edition, Penguin Books, London, England, 1997, page 28.

LINKS

Table of n, a(n) for n=1..100.

MATHEMATICA

RealDigits[N[(10*E^8)^(1/9), 100]][[1]]

PROG

(PARI) sqrtn(10*exp(8), 9) \\ Charles R Greathouse IV, Aug 26 2017

CROSSREFS

Sequence in context: A374322 A068079 A152042 * A187079 A086183 A014462

Adjacent sequences: A057463 A057464 A057465 * A057467 A057468 A057469

KEYWORD

nonn,cons

AUTHOR

Robert G. Wilson v, Dec 07 2000

STATUS

approved