A111690 Least integer multiple of 1/n, truncated to n digits after decimal.

1, 1, 333, 1, 1, 83333, 1428571, 1, 111111111, 1, 909090909, 83333333333, 76923076923, 7142857142857, 33333333333333, 1, 588235294117647, 11111111111111111, 52631578947368421, 1, 47619047619047619047

Offset

1,3

Comments

The "least integer multiple" of a rational number is also called its "numerator". The denominators are 1,2,1e3,4,5,5e5,1e7,8,1e9,10,1e10,1e12,1e12,1e14,5e14,16,1e16,2e17,1e18,20,1e21. - David Wasserman, Feb 11 2009

Duplicate of A095199. - Georg Fischer, Oct 02 2018

Links

Table of n, a(n) for n=1..21.

Example

a(7) = 1428571, 1/7= 0.1428571...
a(8) = 1, 1/8 = .12500000.

Prog

(PARI) a(n) = numerator((10^n\n)/10^n); \\ David Wasserman, Feb 11 2009

Crossrefs

Sequence in context: A114084 A257892 A235020 * A095199 A158081 A248062

Adjacent sequences: A111687 A111688 A111689 * A111691 A111692 A111693

Keyword

base,easy,nonn

Author

Amarnath Murthy, Aug 17 2005

Extensions

More terms from David Wasserman, Feb 11 2009

Status

approved