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A261472
Primes of the form Phi(6,n!), where Phi is the cyclotomic polynomial.
0
3, 31, 14281, 25396561, 273552658381614558353373506071127403199540399874192973440773009599175173339925708800000001
OFFSET
1,1
MATHEMATICA
Select[Table[Cyclotomic[6, n!], {n, 0, 200}], PrimeQ]
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert Price, Aug 20 2015
STATUS
approved