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A108856
Numbers n such that 10*n - 131 is prime.
0
15, 16, 19, 21, 22, 24, 27, 28, 31, 33, 36, 37, 40, 48, 49, 51, 52, 54, 55, 57, 58, 61, 63, 64, 70, 73, 75, 79, 84, 85, 87, 90, 94, 96, 97, 99, 105, 106, 114, 115, 117, 118, 120, 124, 126, 136, 138, 139, 141, 142, 145, 153, 154, 156, 157, 159, 162, 163, 168, 169, 171
OFFSET
1,1
EXAMPLE
If n=15 then 10*n - 131 = 19 (prime).
If n=49 then 10*n - 131 = 359 (prime).
MATHEMATICA
Select[Range[14, 200], PrimeQ[10#-131]&] (* Harvey P. Dale, Aug 08 2021 *)
PROG
(Magma) [n: n in [14..200] | IsPrime(10*n-131)]; - Vincenzo Librandi, Nov 13 2010
(PARI) is(n)=isprime(10*n-131) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
Sequence in context: A354626 A114841 A031168 * A241750 A039689 A332515
KEYWORD
nonn,easy
AUTHOR
Parthasarathy Nambi, Jul 11 2005
STATUS
approved