A049436 - OEIS

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

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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