id:A063540 - OEIS Search Results

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Smallest power of 2 having just n 6's in its decimal representation.

+0
1

1, 4, 16, 36, 60, 100, 72, 123, 124, 161, 157, 243, 196, 230, 222, 220, 300, 323, 361, 447, 378, 551, 433, 506, 555, 565, 636, 508, 606, 662, 701, 778, 810, 746, 823, 839, 850, 977, 1074, 861, 1046, 1086, 996, 1161, 1067, 1168, 1083, 983, 1223, 1252, 1303 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`a = {}; Do[k = 1; While[ Count[ IntegerDigits[2^k], 6] != n, k++ ]; a = Append[a, k], {n, 0, 50} ]; a`
	CROSSREFS	`Sequence in context: A104125 A014727 A044065 this_sequence A055808 A016742 A121317` `Adjacent sequences: A063537 A063538 A063539 this_sequence A063541 A063542 A063543`
	KEYWORD	`base,nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 10 2001`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research