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A201541 Numbers n such that 12n+5 and 12n+7 are primes. 0
0, 1, 2, 3, 8, 11, 12, 16, 22, 23, 38, 43, 47, 51, 53, 67, 68, 71, 73, 87, 88, 102, 106, 107, 108, 123, 141, 143, 156, 162, 166, 173, 177, 178, 186, 192, 198, 212, 221, 227, 232, 233, 247, 271, 277, 282, 288, 296, 298, 318, 326, 327, 333, 337, 346, 351, 352 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

A123979 and A123985 are subsequences.

LINKS

Table of n, a(n) for n=0..56.

FORMULA

a(n)=(A123986(n)-1)/3.

MATHEMATICA

Select[Range[0, 352], PrimeQ[12 # + 5] && PrimeQ[12 # + 7] &] (* T. D. Noe, Dec 05 2011 *)

CROSSREFS

Cf. A123985, A123986, A123979.

Sequence in context: A248822 A005727 A118089 * A084917 A134713 A293910

Adjacent sequences:  A201538 A201539 A201540 * A201542 A201543 A201544

KEYWORD

nonn

AUTHOR

Zak Seidov, Dec 02 2011

STATUS

approved

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Last modified February 23 18:54 EST 2019. Contains 320438 sequences. (Running on oeis4.)