A113557 Least multiple of n in which the n-th digit from left is 2.

2, 12, 102, 1012, 100020, 100002, 1000062, 10000032, 100000062, 10000000020, 10000000032, 100000000032, 1000000000012, 10000000000032, 1000000000000020, 1000000000000032, 10000000000000152, 100000000000000062, 1000000000000000132

Offset

1,1

Links

Table of n, a(n) for n=1..19.

Example

a(4)= 1012, in which the fourth digit is 2.

Crossrefs

Cf. A113556.

Sequence in context: A151505 A096347 A137483 * A245266 A123897 A351762

Adjacent sequences: A113554 A113555 A113556 * A113558 A113559 A113560

Keyword

base,easy,nonn

Author

Amarnath Murthy, Nov 06 2005

Extensions

More terms from R. J. Mathar, Mar 13 2006

More terms from Joshua Zucker, May 03 2006

Status

approved