STATUS
reviewed
approved
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Revision History for A064262
(Bold, blue-underlined text is an addition; faded, red-underlined text is aShowing entries 1-10 | older changes
Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,51.
(history; published version)
(history; published version)
STATUS
proposed
reviewed
STATUS
editing
proposed
LINKS
Amiram Eldar, <a href="/A064262/b064262.txt">Table of n, a(n) for n = 1..10000</a>
NAME
Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number, (A087788), where a,b,c = 1,2,51.
DATA
330, 1656, 1758, 6960, 11958, 14406, 27258, 30318, 30930, 31236, 37356, 40110, 43986, 44088, 50820, 53268, 55818, 63366, 65100, 67650, 71526, 74586, 81930, 90906, 93150, 94476, 98250, 99678, 109470, 119568, 121710, 129768, 135276, 141906, 146190, 147516, 155166
OFFSET
0,1,1
COMMENTS
am+1, bm+1, cm+1 are primes and am | (N-1), bm | (N-1), cm |(N-1).
CROSSREFS
Cf. A087788.
EXTENSIONS
Offset corrected and more terms added by Amiram Eldar, Oct 17 2019
STATUS
approved
editing
REFERENCES
Harvey Dubner (harvey(AT)dubner.com), personal communication, Jun 27, 2001.
STATUS
proposed
approved
STATUS
editing
proposed
MATHEMATICA
CarmichaelNbrQ[n_] := ! PrimeQ@ n && Mod[n, CarmichaelLambda[n]] == 1; Select[ Range@ 9000, PrimeQ[# + 1] && PrimeQ[2# + 1] && PrimeQ[51# + 1] && CarmichaelNbrQ[(# + 1)(2# + 1)(51# + 1)] &] (* Robert G. Wilson v, Aug 23 2012 *)
STATUS
approved
editing
AUTHOR
_N. J. A. Sloane (njas(AT)research.att.com), _, Sep 23 2001