A064563 Reciprocal of n terminates with an infinite repetition of digit 4. Multiples of 10 are omitted.

144, 225, 9216, 589824, 3515625, 37748736, 2415919104, 54931640625, 154618822656, 9895604649984, 633318697598976, 858306884765625, 40532396646334464, 2594073385365405696, 13411045074462890625

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..15.

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

Formula

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

Example

1/589824 = 0.00000169542100694444444444...

Crossrefs

Cf. A064560, A064561, A064562, A064564, A064565, A064566, A064567.

Sequence in context: A061040 A159456 A316483 * A008436 A250773 A262245

Adjacent sequences: A064560 A064561 A064562 * A064564 A064565 A064566

Keyword

nonn,base

Author

Patrick De Geest, Sep 20 2001

Extensions

More terms from James A. Sellers, Sep 28 2001

Status

approved