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A217132
Numbers n such that 7^n + 10 is prime.
9
0, 1, 2, 3, 4, 6, 7, 11, 26, 29, 41, 53, 55, 84, 86, 144, 179, 229, 238, 414, 616, 1158, 4111, 5577, 13237, 15244, 48578, 66074
OFFSET
1,3
COMMENTS
a(29) > 10^5. - Robert Price, Jan 24 2014
MATHEMATICA
Select[Range[0, 3000], PrimeQ[7^# + 10] &]
PROG
(PARI) for(n=1, 3*10^3, if(isprime(7^n+10), print1(n", ")))
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Oct 01 2012
EXTENSIONS
a(23)-a(28) from Robert Price, Jan 24 2014
STATUS
approved