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A090607
Primes of the form 6*p - 5 such that p and 6*p - 1 are primes.
5
7, 13, 37, 97, 109, 277, 313, 349, 397, 613, 673, 757, 937, 1429, 1609, 1693, 1873, 2269, 2293, 2377, 2689, 2797, 3457, 3673, 3697, 3877, 4933, 4969, 5437, 5569, 5857, 6577, 6733, 7669, 8233, 8677, 8929, 9133, 10177, 10333, 10729, 11257, 11593, 12097
OFFSET
1,1
FORMULA
a(n) = 6*A089144(n) - 5.
PROG
(PARI) lista(nn) = forprime(p=2, nn, if(isprime(6*p-1)&&isprime(6*p-5), print1(6*p-5, ", "))); \\ Jinyuan Wang, Aug 04 2021
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Ray Chandler, Dec 06 2003
EXTENSIONS
Name clarified by Jinyuan Wang, Aug 03 2021
STATUS
approved