A064562 Reciprocal of n terminates with an infinite repetition of digit 3. Multiples of 10 are omitted.

3, 12, 48, 75, 192, 768, 1875, 3072, 12288, 46875, 49152, 196608, 786432, 1171875, 3145728, 12582912, 29296875, 50331648, 201326592, 732421875, 805306368, 3221225472, 12884901888, 18310546875, 51539607552, 206158430208

Offset

1,1

References

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

Links

Table of n, a(n) for n=1..26.

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

Formula

Numbers of the form 3*2^(2i) and 3*5^(2i) [i >= 0].

Example

1/1875 = 0.00053333333333...

Prog

(ARIBAS): a064560(1, 300000000, 3, 36). For definition of a064560 see A064560.

Crossrefs

Cf. A064560, A064561, A064563, A064564, A064565, A064566, A064567.

Sequence in context: A151165 A151166 A151167 * A259865 A254942 A077828

Adjacent sequences: A064559 A064560 A064561 * A064563 A064564 A064565

Keyword

nonn,base

Author

Patrick De Geest, Sep 20 2001

Extensions

More terms from Klaus Brockhaus, Sep 22 2001

Further terms from James A. Sellers, Sep 28 2001

Status

approved