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A175054 A positive integer n is included if there is no run of 0's in the binary representation of n that is only one digit long. 3
1, 3, 4, 7, 8, 9, 12, 15, 16, 17, 19, 24, 25, 28, 31, 32, 33, 35, 36, 39, 48, 49, 51, 56, 57, 60, 63, 64, 65, 67, 68, 71, 72, 73, 76, 79, 96, 97, 99, 100, 103, 112, 113, 115, 120, 121, 124, 127, 128, 129, 131, 132, 135, 136, 137, 140, 143, 144, 145, 147, 152, 153, 156 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

This sequence consists of the terms of A144794 together with those integers of the form 2^k -1.

LINKS

Michael De Vlieger, Table of n, a(n) for n = 1..10000

MATHEMATICA

Select[Range@ 160, Select[Split@ IntegerDigits[#, 2], Length[#] == 1 && First[#] == 0 &] == {} &] (* Michael De Vlieger, Sep 03 2017 *)

CROSSREFS

Cf. A144794.

Sequence in context: A187903 A187839 A183988 * A154366 A226227 A319736

Adjacent sequences: A175051 A175052 A175053 * A175055 A175056 A175057

KEYWORD

base,nonn

AUTHOR

Leroy Quet, Dec 08 2009

EXTENSIONS

Extended by Ray Chandler, Dec 18 2009

STATUS

approved

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Last modified February 2 03:35 EST 2023. Contains 359997 sequences. (Running on oeis4.)