A113627 a(n) is the smallest number k such that k and 2^k have the same last n digits. Here k may have fewer than n digits and can be padded with leading zeros (cf. A121319).

14, 36, 736, 8736, 48736, 948736, 2948736, 32948736, 432948736, 3432948736, 53432948736, 353432948736, 5353432948736, 75353432948736, 75353432948736, 5075353432948736, 15075353432948736, 615075353432948736, 8615075353432948736, 98615075353432948736, 98615075353432948736

Offset: 1

Author

Jon E. Schoenfield, Apr 23 2007

Keywords

• nonn
• base

Examples

			2^14 = 16384 and 14 end with the same single digit 4, thus a(1) = 14.
		

Links

• Jon E. Schoenfield, Table of n, a(n) for n = 1..81

Crossrefs

See A121319, the main entry for this sequence, for further information.

Same as A109405 except for the initial term (14). - Max Alekseyev, May 11 2007

Cf. A007185, A016090, A003226, A035383, A064540, A064541, A109405, A121319, A206636.