A049436 p, p+8 and either p+2 or p+6 or both are all primes.

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

Offset: 1

Author

Labos Elemer

Keywords

• nonn

Examples

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

Links

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

Crossrefs

A031926, A023202, A049437, A049438, A046134, A046138, A007530.

Programs

Mathematica

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