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A055725
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Number of isolated lucky numbers <= 10^n.
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0
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OFFSET
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0,3
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COMMENTS
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An isolated lucky number is a lucky number which is not a member of a lucky twin. The set of such numbers is A000959 setminus (A031158 union A031159). - Sean A. Irvine, Apr 04 2022
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LINKS
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Table of n, a(n) for n=0..8.
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CROSSREFS
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Cf. A000959, A031158, A031159.
Sequence in context: A180751 A266828 A100814 * A219123 A144852 A153191
Adjacent sequences: A055722 A055723 A055724 * A055726 A055727 A055728
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KEYWORD
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nonn,less,more
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AUTHOR
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Robert G. Wilson v, Jun 09 2000
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EXTENSIONS
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a(7) and title clarified by Sean A. Irvine, Apr 04 2022
a(8) from Pontus von Brömssen, Apr 04 2022
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STATUS
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approved
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