

A138657


Primes p such that 48*p  1 and 48*p + 1 are twin primes.


3



5, 31, 89, 109, 271, 331, 571, 599, 661, 709, 719, 761, 859, 1109, 1171, 1319, 1489, 1619, 1699, 1811, 2399, 2971, 3041, 3119, 3329, 3449, 3659, 4211, 4421, 4861, 5051, 5309, 5441, 6011, 6379, 6491, 6571, 6661, 7039
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OFFSET

1,1


LINKS



EXAMPLE

5 is a term since it is a prime and 48*5  1 = 239 and 48*5 + 1 = 241 are twin primes.
31 is a term since it is a prime and 48*31  1 = 1487 and 48*31 + 1 = 1489 are twin primes.


MATHEMATICA

a=48; Select[Prime[Range[10^3]], PrimeQ[a*#1]&&PrimeQ[a*#+1]&]


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



