A112893 a(n) is the least positive integer in base 10 containing n twos that is divisible by n.

2, 22, 222, 22212, 222220, 222222, 21222222, 222222224, 222222222, 22222222220, 222222222222, 2222222222220, 22222122222222, 222122222222222, 2222222222222220, 22222222222222224, 222202222222222222

Offset

1,1

Links

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

Formula

a(n) = n*A112894(n).

Example

a(4) = 22212 because 22212 contains 4 twos and is divisible by 4.

Crossrefs

Cf. A112889-A112898, A112900-A112905, A112907-A112910.

Sequence in context: A137109 A002276 A374665 * A086855 A089182 A138140

Adjacent sequences: A112890 A112891 A112892 * A112894 A112895 A112896

Keyword

base,nonn

Author

Ray G. Opao, Oct 05 2005

Extensions

Extended by Ray Chandler, Oct 09 2005

Status

approved