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A173025 Numbers having no isolated digits "11" in their binary representations. 3
0, 1, 2, 4, 5, 7, 8, 9, 10, 14, 15, 16, 17, 18, 20, 21, 23, 28, 29, 30, 31, 32, 33, 34, 36, 37, 39, 40, 41, 42, 46, 47, 56, 57, 58, 60, 61, 62, 63, 64, 65, 66, 68, 69, 71, 72, 73, 74, 78, 79, 80, 81, 82, 84, 85, 87, 92, 93, 94, 95, 112, 113, 114, 116, 117, 119, 120, 121, 122 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

A173021(a(n+1)) = A173021(a(n)) + 1;

A173024 is a subsequence.

LINKS

R. Zumkeller, Table of n, a(n) for n = 1..1000

CROSSREFS

Cf. A144795.

Sequence in context: A026367 A039069 A285423 * A203463 A223909 A010392

Adjacent sequences:  A173022 A173023 A173024 * A173026 A173027 A173028

KEYWORD

base,nonn

AUTHOR

Reinhard Zumkeller, Feb 07 2010

STATUS

approved

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Last modified September 23 10:42 EDT 2021. Contains 347612 sequences. (Running on oeis4.)