A112907 a(n) is the least positive integer containing n eights that is divisible by n.

8, 88, 888, 8888, 888880, 888888, 28888888, 88888888, 888888888, 88888888880, 888888888888, 888888888888, 78888888888888, 588888888888888, 8888888888888880, 88888888888881888, 688888888888888888

Offset

1,1

Links

Table of n, a(n) for n=1..17.

Formula

a(n) = n*A112908(n).

Example

a(7) = 28888888 because 28888888 contains 7 eights and is divisible by 7.

Crossrefs

Cf. A112889-A112898, A112900-A112905, A112908-A112910.

Sequence in context: A062185 A053379 A002282 * A053380 A250166 A247738

Adjacent sequences: A112904 A112905 A112906 * A112908 A112909 A112910

Keyword

base,nonn

Author

Ray G. Opao, Oct 05 2005

Extensions

Extended by Ray Chandler, Oct 09 2005

Status

approved