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A064566 Reciprocal of n terminates with an infinite repetition of digit 7. Multiples of 10 are omitted. 1
36, 2304, 5625, 147456, 9437184, 87890625, 603979776, 38654705664, 1373291015625, 2473901162496, 158329674399744, 10133099161583616, 21457672119140625, 648518346341351424, 41505174165846491136 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

REFERENCES

A. H. Beiler, Recreations in the Theory of Numbers, Dover, N.Y., 1964, pps. 73-82.

LINKS

Table of n, a(n) for n=0..14.

Index entries for sequences related to decimal expansion of 1/n

FORMULA

Numbers of the form 9*2^(6i-4) and 9*5^(6i-2) [i>0].

EXAMPLE

E.g. 1/2304 = 0.000434027777777777...

CROSSREFS

Cf. A064560-A064567.

Sequence in context: A065782 A160482 A135626 * A230465 A120466 A202633

Adjacent sequences:  A064563 A064564 A064565 * A064567 A064568 A064569

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Sep 20 2001.

EXTENSIONS

More terms from James A. Sellers, Sep 28 2001

STATUS

approved

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Last modified November 1 06:07 EDT 2014. Contains 248888 sequences.