A087116 - OEIS

This site is supported by donations to The OEIS Foundation.

A087116

Number of maximal groups of consecutive zeros in binary representation of n.

1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 2, 1, 1, 1, 1, 0, 1, 1, 2, 1, 2, 2, 2, 1, 1, 1, 2, 1, 1, 1, 1, 0, 1, 1, 2, 1, 2, 2, 2, 1, 2, 2, 3, 2, 2, 2, 2, 1, 1, 1, 2, 1, 2, 2, 2, 1, 1, 1, 2, 1, 1, 1, 1, 0, 1, 1, 2, 1, 2, 2, 2, 1, 2, 2, 3, 2, 2, 2, 2, 1, 2, 2, 3, 2, 3, 3, 3, 2, 2, 2, 3, 2, 2, 2, 2, 1, 1, 1, 2, 1, 2, 2 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,11`
	COMMENTS	`The following four statements are equivalent: a(n) = 0; n = 2^k - 1 for some k; A087117(n) = 0; A023416(n) = 0.`
	LINKS	`Index entries for sequences related to binary expansion of n`
	CROSSREFS	`Cf. A087118, A087119, A087120, A023416, A007088.` `Sequence in context: A025449 A047988 A037818 * A033264 A080234 A136049` `Adjacent sequences: A087113 A087114 A087115 * A087117 A087118 A087119`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 14 2003`

Content is available under The OEIS End-User License Agreement .

Last modified February 17 19:13 EST 2012. Contains 206085 sequences.