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A201792
Primes of the form 6n^2 - 7.
1
17, 47, 89, 479, 593, 719, 857, 2393, 2897, 3167, 3449, 4049, 5039, 5393, 10079, 11087, 12143, 12689, 16217, 17489, 18143, 20177, 20879, 23057, 25343, 26927, 27737, 28559, 34649, 36497, 38393, 39359, 46457, 48593, 50777, 62417, 63647
OFFSET
1,1
LINKS
MATHEMATICA
Select[Table[6n^2-7, {n, 1, 700}], PrimeQ]
PROG
(Magma) [a: n in [1..200] | IsPrime(a) where a is 6*n^2-7];
CROSSREFS
Sequence in context: A061275 A128468 A031374 * A039949 A220081 A229448
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Dec 06 2011
STATUS
approved