Carmichael numbers of the form (6m+1)(12m+1)(18m+1).
Dubner, Harvey
Journal of Integer Sequences [electronic only], Tome 5 (2002), / Harvested from The Electronic Library of Mathematics
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Publié le : 2002-01-01
EUDML-ID : urn:eudml:doc:50284 
@article{01919521,
     title = {Carmichael numbers of the form },
     journal = {Journal of Integer Sequences [electronic only]},
     volume = {5},
     year = {2002},
     zbl = {1020.11005},
     language = {en},
     url = {http://dml.mathdoc.fr/item/01919521}
}

Dubner, Harvey. Carmichael numbers of the form . Journal of Integer Sequences [electronic only], Tome 5 (2002) . http://gdmltest.u-ga.fr/item/01919521/