

A062944


When expressed in base 7 and then interpreted in base 10, is a multiple of the original number.


1



0, 1, 2, 3, 4, 5, 6, 51, 102, 105, 153, 156, 207, 210, 258, 261, 312, 315, 2589, 2590, 2601, 2753, 5354, 5355, 5506, 8108, 8259, 8260, 10861, 11013, 11025, 13614, 13615, 13626, 13766, 13778, 16379, 16380, 16531, 33045
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OFFSET

0,3


COMMENTS

Zero followed by A032549. [From R. J. Mathar, Oct 02 2008]
There are only 47 terms up to 10 million, the largest of which is 7581525.  Harvey P. Dale, Jul 09 2016


LINKS

Harvey P. Dale, Table of n, a(n) for n = 0..46


EXAMPLE

51 in base 7 is 102, which interpreted in base 10 is 102=2*51


MATHEMATICA

Join[{0}, Select[Range[35000], Divisible[FromDigits[IntegerDigits[ #, 7]], #]&]] (* Harvey P. Dale, Jul 09 2016 *)


CROSSREFS

Sequence in context: A171594 A044908 A024642 * A032549 A028428 A273473
Adjacent sequences: A062941 A062942 A062943 * A062945 A062946 A062947


KEYWORD

base,nonn


AUTHOR

Erich Friedman, Jul 21 2001


STATUS

approved



