id:A063627 - OEIS Search Results

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Smallest power of 9 having just n 1's in its decimal representation.

+0
1

1, 2, 6, 17, 16, 21, 51, 46, 42, 50, 65, 60, 81, 64, 101, 89, 107, 179, 130, 158, 167, 194, 191, 164, 149, 197, 192, 202, 257, 227, 245, 244, 253, 304, 264, 296, 306, 321, 292, 302, 295, 314, 335, 346, 334, 450, 388, 406, 359, 394, 428 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`a = {}; Do[k = 1; While[ Count[ IntegerDigits[9^k], 1] != n, k++ ]; a = Append[a, k], {n, 0, 50} ]; a`
	CROSSREFS	`Adjacent sequences: A063624 A063625 A063626 this_sequence A063628 A063629 A063630` `Sequence in context: A118305 A139629 A057497 this_sequence A069014 A105146 A024310`
	KEYWORD	`base,nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 10 2001`

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Last modified November 9 12:23 EST 2009. Contains 166233 sequences.

AT&T Labs Research