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A064256 Numbers m such that N=(am+1)(bm+1)(cm+1) is a Carmichael number, where a,b,c = 1,2,39. 0
3528, 4620, 8208, 13668, 21858, 24978, 26538, 29268, 30828, 33870, 34260, 34728, 44088, 51030, 58128, 58440, 61560, 72948, 79578, 80670, 95568, 107580, 109608, 112338, 118188, 118890, 124350, 126690, 142758, 144708, 148530 (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..30.

CROSSREFS

Sequence in context: A267125 A241240 A035897 * A232555 A035779 A108003

Adjacent sequences:  A064253 A064254 A064255 * A064257 A064258 A064259

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Sep 23 2001

STATUS

approved

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Last modified April 18 22:08 EDT 2019. Contains 322237 sequences. (Running on oeis4.)