id:A063559 - OEIS Search Results

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Smallest power of 3 having just n 4's in its decimal representation.

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1, 5, 12, 20, 59, 58, 86, 63, 72, 139, 125, 159, 136, 211, 204, 170, 196, 197, 271, 302, 218, 308, 344, 392, 309, 351, 434, 488, 490, 414, 529, 452, 484, 523, 538, 526, 594, 522, 605, 592, 705, 670, 649, 672, 771, 785, 691, 819, 788, 887, 808 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`a = {}; Do[k = 1; While[ Count[ IntegerDigits[3^k], 4] != n, k++ ]; a = Append[a, k], {n, 0, 50} ]; a`
	CROSSREFS	`Sequence in context: A099192 A047077 A086570 this_sequence A121291 A097984 A028347` `Adjacent sequences: A063556 A063557 A063558 this_sequence A063560 A063561 A063562`
	KEYWORD	`base,nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 10 2001`

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

AT&T Labs Research