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A161979 a(1)=1. a(n) = the smallest integer > a(n-1) containing {the string made by reversing the order of the binary digits of n, and removing leading 0's} as a substring when a(n) is written in binary. 2
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 14, 22, 23, 30, 31, 34, 36, 50, 52, 53, 54, 58, 59, 76, 86, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 105, 114, 115, 116, 148, 149, 181, 182, 183, 186, 189, 190, 198, 204, 205, 214, 215, 216, 236, 237, 295, 302, 311, 316, 350, 351, 382 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
EXAMPLE
13 in binary is 1101, which reversed is 1011. a(13) = the smallest integer > a(12)=14 that contains the string 1011 as a substring in its binary representation. a(13) therefore equals 22, which is 10110 in binary.
CROSSREFS
Sequence in context: A287513 A194403 A305707 * A247810 A247800 A092968
KEYWORD
base,nonn
AUTHOR
Leroy Quet, Jun 23 2009
EXTENSIONS
Corrected and extended by Sean A. Irvine and Jasper Mulder (jasper.mulder(AT)planet.nl), Oct 04 2009
Minor edits by Ray Chandler, Mar 12 2010
STATUS
approved

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Last modified April 19 07:38 EDT 2024. Contains 371782 sequences. (Running on oeis4.)