id:A063603 - OEIS Search Results

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Smallest power of 6 having just n 7's in its decimal representation.

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1, 7, 9, 5, 26, 35, 30, 48, 72, 60, 65, 77, 100, 127, 146, 130, 152, 150, 155, 230, 205, 192, 201, 234, 274, 255, 279, 286, 249, 297, 292, 321, 312, 331, 225, 335, 396, 342, 345, 405, 370, 385, 445, 461, 503, 442, 480, 469, 473, 518, 510 (list; graph; listen)

	OFFSET	`1,2`
	MATHEMATICA	`a = {}; Do[k = 1; While[ Count[ IntegerDigits[6^k], 7] != n, k++ ]; a = Append[a, k], {n, 0, 50} ]; a`
	CROSSREFS	`Sequence in context: A070693 A132715 A154910 this_sequence A020788 A099877 A154168` `Adjacent sequences: A063600 A063601 A063602 this_sequence A063604 A063605 A063606`
	KEYWORD	`base,nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 10 2001`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

AT&T Labs Research