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A126785
Numbers k such that 10*k + 11 is prime.
3
0, 2, 3, 5, 6, 9, 12, 14, 17, 18, 20, 23, 24, 26, 27, 30, 32, 39, 41, 42, 45, 48, 51, 53, 56, 59, 62, 63, 65, 68, 69, 74, 75, 80, 81, 87, 90, 93, 96, 98, 101, 102, 104, 105, 108, 114, 116, 117, 119, 122, 128, 129, 131, 135, 137, 144, 146, 147, 150, 152, 156, 159, 161
OFFSET
1,2
LINKS
EXAMPLE
If n=98 then 10n + 11 = 991 (prime).
MAPLE
select(n -> isprime(10*n+11), [$0..500]); # Robert Israel, Jan 10 2019
PROG
(Magma) [ n: n in [0..200] | IsPrime(10*n+11) ]; // Vincenzo Librandi, Nov 23 2010
(PARI) is(n)=isprime(10*n+11) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
Cf. A102342.
Sequence in context: A329161 A124866 A166247 * A295586 A283768 A212864
KEYWORD
nonn,easy
AUTHOR
Parthasarathy Nambi, Feb 18 2007
STATUS
approved