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A261408
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Numbers k such that A260864(k) is a prime or probable prime, where A260864(k) is the number whose base-14 representation is the concatenation of the base-14 representations of (1, ..., k, k-1, ..., 1).
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2
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OFFSET
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1,1
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COMMENTS
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REFERENCES
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David Broadhurst, email to N. J. A. Sloane, Aug 23 2015
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LINKS
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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