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Search: id:A064261
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| A064261 |
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Values of m such that N=(am+1)(bm+1)(cm+1) is a Carmichael number, where a,b,c = 1,2,49. |
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+0
1
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| 660, 2718, 12420, 57990, 82980, 89448, 127080, 142368, 174120, 184998, 202638, 216750
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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am+1, bm+1, cm+1 are primes and am | (N-1), bm | (N-1), cm |(N-1)
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REFERENCES
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Harvey Dubner (harvey(AT)dubner.com), personal communication, Jun 27, 2001.
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CROSSREFS
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Sequence in context: A113171 A014362 A143042 this_sequence A145750 A105978 A069426
Adjacent sequences: A064258 A064259 A064260 this_sequence A064262 A064263 A064264
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Sep 23 2001
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