A095199 Least integer multiple of f(1/n) where f(1/n) is the number obtained by retaining only n digits after decimal and deleting the rest.

1, 1, 333, 1, 1, 83333, 1428571, 1, 111111111, 1, 909090909, 83333333333, 76923076923, 7142857142857, 33333333333333, 1, 588235294117647, 11111111111111111, 52631578947368421, 1, 47619047619047619047, 227272727272727272727, 434782608695652173913, 20833333333333333333333, 1, 3846153846153846153846153

Offset

1,3

Links

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

Formula

a(n) = floor(10^n/n) / gcd(10^n,floor(10^n/n)). - Max Alekseyev, Dec 06 2013

Example

a(6) = 83333, 1/6 = 0.16666666666666666... f(1/6) = .166666. and the least integer multiple of .166666 is 83333.

Prog

(PARI) A095199(n) = my(t); t=10^n\n; t/gcd(t, 10^n) /* Alekseyev */

Crossrefs

Sequence in context: A257892 A235020 A111690 * A158081 A248062 A056089

Adjacent sequences: A095196 A095197 A095198 * A095200 A095201 A095202

Keyword

base,nonn

Author

Amarnath Murthy, Jun 05 2004

Extensions

More terms from Max Alekseyev, Apr 22 2010

Status

approved