A126785 Numbers k such that 10*k + 11 is prime.

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

Robert Israel, Table of n, a(n) for n = 1..10000

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

Adjacent sequences: A126782 A126783 A126784 * A126786 A126787 A126788

Keyword

nonn,easy

Author

Parthasarathy Nambi, Feb 18 2007

Status

approved