A107909 - OEIS

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A107909

Numbers having no consecutive zeros or no consecutive ones in binary representation.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 20, 21, 22, 23, 26, 27, 29, 30, 31, 32, 33, 34, 36, 37, 40, 41, 42, 43, 45, 46, 47, 53, 54, 55, 58, 59, 61, 62, 63, 64, 65, 66, 68, 69, 72, 73, 74, 80, 81, 82, 84, 85, 86, 87, 90, 91, 93, 94, 95, 106, 107, 109, 110, 111 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	COMMENTS	`Union of A003754 and A003714, complement of A107911;` `a(A023548(n+2)) = A052940(n+1) for n>0;` `a(A001924(n)) = A000225(n) = 2^n - 1;` `a(A000126(n)) = A000079(n) = 2^n for n>0;` `A107910(n) = a(n+1) - a(n).`
	CROSSREFS	`Cf. A007088, A107907.` `Sequence in context: A131881 A053460 A065200 * A067340 A085924 A072774` `Adjacent sequences: A107906 A107907 A107908 * A107910 A107911 A107912`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 28 2005`

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Last modified February 14 16:05 EST 2012. Contains 205635 sequences.