id:A063619 - OEIS Search Results

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Smallest power of 8 having just n 3's in its decimal representation.

+0
1

1, 5, 22, 15, 26, 38, 32, 56, 45, 77, 65, 52, 73, 112, 110, 120, 108, 100, 144, 166, 129, 192, 226, 169, 211, 255, 189, 195, 205, 227, 277, 275, 273, 345, 274, 347, 283, 280, 293, 364, 375, 326, 358, 387, 446, 408, 442, 428, 431, 417, 516 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`a = {}; Do[k = 1; While[ Count[ IntegerDigits[8^k], 3] != n, k++ ]; a = Append[a, k], {n, 0, 50} ]; a`
	CROSSREFS	`Sequence in context: A143503 A144779 A156860 this_sequence A045015 A085101 A082005` `Adjacent sequences: A063616 A063617 A063618 this_sequence A063620 A063621 A063622`
	KEYWORD	`base,nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 10 2001`

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.

AT&T Labs Research