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A100901 Numbers n such that (6^n-1)^2-2 is prime. 3
1, 2, 6, 7, 20, 47, 255, 274, 279, 308, 1162, 2128, 3791, 9028, 9629, 10029, 13202, 38660, 46631, 48257 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
PROG
(PARI) is(n)=ispseudoprime((6^n-1)^2-2) \\ Charles R Greathouse IV, Feb 19 2016
CROSSREFS
Sequence in context: A095036 A290379 A342534 * A004791 A220946 A243795
KEYWORD
nonn,more
AUTHOR
Ray Chandler, Nov 21 2004
STATUS
approved

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Last modified May 30 06:57 EDT 2024. Contains 372961 sequences. (Running on oeis4.)