id:A063557 - OEIS Search Results

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Smallest power of 3 having just n 2's in its decimal representation.

+0
1

1, 3, 19, 24, 56, 49, 60, 78, 87, 100, 108, 143, 169, 145, 210, 160, 183, 193, 260, 270, 312, 321, 325, 353, 348, 419, 388, 409, 316, 403, 465, 502, 483, 489, 561, 533, 443, 565, 691, 646, 677, 552, 721, 711, 687, 700, 791, 813, 768, 867, 806 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`a = {}; Do[k = 1; While[ Count[ IntegerDigits[3^k], 2] != n, k++ ]; a = Append[a, k], {n, 0, 50} ]; a`
	CROSSREFS	`Sequence in context: A042231 A019408 A070045 this_sequence A062619 A108137 A102978` `Adjacent sequences: A063554 A063555 A063556 this_sequence A063558 A063559 A063560`
	KEYWORD	`base,nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 10 2001`

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.

AT&T Labs Research