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A256602 Primes of form 12*k + 1 and not a twin prime. 0
37, 97, 157, 277, 337, 373, 397, 409, 457, 541, 577, 613, 673, 709, 733, 757, 769, 853, 877, 937, 997, 1009, 1069, 1117, 1129, 1201, 1213, 1237, 1249, 1297, 1381, 1549, 1597, 1657, 1693, 1741, 1753, 1777, 1801, 1861, 1993, 2017, 2053, 2137, 2161, 2221, 2281, 2293, 2377 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
A142793 is a subsequence.
LINKS
FORMULA
a(n) ~ 4n log n. - Charles R Greathouse IV, Apr 06 2015
EXAMPLE
37 = 12*3+1 and 35 is not prime, so 37 belongs to the sequence.
PROG
(PARI) is(n)=isprime(n) && n%12==1 && !isprime(n+2) && !isprime(n-2) \\ Charles R Greathouse IV, Apr 06 2015
CROSSREFS
Cf. A142793 (primes congruent to 37 mod 60).
Sequence in context: A145480 A033222 A098025 * A142793 A139939 A159231
KEYWORD
nonn
AUTHOR
Neri Gionata, Apr 06 2015
STATUS
approved

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)