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A064261 Values of m such that N=(am+1)(bm+1)(cm+1) is a Carmichael number, where a,b,c = 1,2,49. 0
660, 2718, 12420, 57990, 82980, 89448, 127080, 142368, 174120, 184998, 202638, 216750 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

am+1, bm+1, cm+1 are primes and am | (N-1), bm | (N-1), cm |(N-1)

REFERENCES

Harvey Dubner (harvey(AT)dubner.com), personal communication, Jun 27, 2001.

LINKS

Table of n, a(n) for n=0..11.

CROSSREFS

Sequence in context: A014362 A143042 A206642 * A235770 A204538 A204534

Adjacent sequences:  A064258 A064259 A064260 * A064262 A064263 A064264

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Sep 23 2001

STATUS

approved

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Last modified December 21 17:13 EST 2014. Contains 252324 sequences.