

A049436


p, p+8 and either p+2 or p+6 or both are all primes.


4



3, 5, 11, 23, 29, 53, 59, 71, 101, 131, 149, 173, 191, 233, 263, 269, 431, 563, 569, 593, 599, 653, 821, 1013, 1031, 1061, 1223, 1229, 1283, 1289, 1319, 1451, 1481, 1601, 1613, 1619, 1871, 2081, 2129, 2333, 2339, 2381, 2543, 2549, 2711, 2789, 2963, 3251
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OFFSET

1,1


LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000


EXAMPLE

3 is here because 5, 7 and 11 are primes; 5 is here because 7, 11 and 13 are primes.


MATHEMATICA

Select[Prime[Range[500]], PrimeQ[#+8]&&AnyTrue[#+{2, 6}, PrimeQ]&] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jan 04 2017 *)


CROSSREFS

A031926, A023202, A049437, A049438, A046134, A046138, A007530.
Sequence in context: A106901 A154550 A023202 * A117010 A056874 A280773
Adjacent sequences: A049433 A049434 A049435 * A049437 A049438 A049439


KEYWORD

nonn


AUTHOR

Labos Elemer


STATUS

approved



