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A290482
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Odd primes that divide a record number of 3-Carmichael numbers.
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0
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OFFSET
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1,1
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COMMENTS
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The corresponding numbers of 3-Carmichael numbers are: 1, 3, 6, 8, 9, 12, 16, 22, 24, 25, ... They are records of A290481.
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LINKS
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EXAMPLE
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13 is in the sequence since it is a factor of 8 3-Carmichael numbers, more numbers than for any prime below it: 3 and 11 are factors of a single 3-Carmichael number, 5 is a factor of 3 numbers, and 7 of 6 numbers.
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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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