id:A063620 - OEIS Search Results

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Smallest power of 8 having just n 4's in its decimal representation.

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1, 2, 6, 14, 26, 35, 39, 37, 58, 46, 66, 103, 73, 93, 126, 124, 88, 107, 105, 173, 150, 146, 214, 194, 193, 168, 170, 229, 232, 210, 275, 248, 313, 332, 276, 300, 303, 317, 263, 314, 306, 398, 376, 422, 416, 444, 421, 394, 410, 449, 453 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`a = {}; Do[k = 1; While[ Count[ IntegerDigits[8^k], 4] != n, k++ ]; a = Append[a, k], {n, 0, 50} ]; a`
	CROSSREFS	`Adjacent sequences: A063617 A063618 A063619 this_sequence A063621 A063622 A063623` `Sequence in context: A112853 A140759 A102486 this_sequence A138318 A068042 A068041`
	KEYWORD	`base,nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 10 2001`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

AT&T Labs Research