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A006524 Egyptian fraction for 1/ Pi.
(Formerly M3509)
25
4, 15, 609, 845029, 1010073215739, 1300459886313272270974271, 1939680952094609786557359582286462958434022504402 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=0..6.

Eric Weisstein's World of Mathematics, Egyptian Fraction

Index entries for sequences related to the number Pi

Index entries for sequences related to Egyptian fractions

MATHEMATICA

a = {}; k = N[1/Pi, 1000]; Do[s = Ceiling[1/k]; AppendTo[a, s]; k = k - 1/s, {n, 1, 10}]; a [From Artur Jasinski, Sep 22 2008]

CROSSREFS

Sequence in context: A048731 A000881 A109923 * A070037 A220788 A061849

Adjacent sequences:  A006521 A006522 A006523 * A006525 A006526 A006527

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Robert G. Wilson v

EXTENSIONS

More terms from Herman P. Robinson.

STATUS

approved

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Last modified March 25 06:41 EDT 2017. Contains 284047 sequences.