

A057466


The ninth root of 10*e^8.


0



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
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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: A068089 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



