id:A063576 - OEIS Search Results

Search: id:A063576

Displaying 1-1 of 1 results found.

page 1

Smallest power of 4 having just n 1's in its decimal representation.

+0
1

1, 2, 12, 17, 29, 40, 35, 57, 112, 61, 108, 109, 101, 84, 167, 188, 182, 186, 205, 259, 252, 240, 269, 320, 329, 283, 305, 317, 300, 400, 288, 413, 458, 360, 392, 466, 447, 477, 383, 493, 481, 574, 598, 497, 567, 551, 599, 603, 676, 721, 564 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`a = {}; Do[k = 1; While[ Count[ IntegerDigits[4^k], 1] != n, k++ ]; a = Append[a, k], {n, 0, 50} ]; a`
	CROSSREFS	`Sequence in context: A134833 A057827 A082407 this_sequence A120350 A032413 A066238` `Adjacent sequences: A063573 A063574 A063575 this_sequence A063577 A063578 A063579`
	KEYWORD	`base,nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 10 2001`

page 1

Search completed in 0.002 seconds

Last modified July 4 18:25 EDT 2008. Contains 140886 sequences.

AT&T Labs Research