A064567 Reciprocal of n terminates with an infinite repetition of digit 8. Multiples of 10 are omitted.

72, 1125, 4608, 294912, 17578125, 18874368, 1207959552, 77309411328, 274658203125, 4947802324992, 316659348799488, 4291534423828125, 20266198323167232, 1297036692682702848, 67055225372314453125

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-3) and 9*5^(6i-3) [i>0].

Example

1/72 = 0.0138888888888...

Crossrefs

Cf. A064560, A064561, A064562, A064563, A064564, A064565, A064566.

Sequence in context: A232573 A022148 A192847 * A269088 A168194 A249713

Adjacent sequences: A064564 A064565 A064566 * A064568 A064569 A064570

Keyword

nonn,base

Author

Patrick De Geest, Sep 20 2001

Extensions

More terms from James A. Sellers, Sep 28 2001

Status

approved