A109604 Numbers n such that 41*n - 43 is prime.

10, 12, 16, 22, 24, 30, 36, 40, 52, 60, 66, 72, 82, 100, 102, 112, 120, 142, 144, 154, 156, 162, 166, 186, 192, 196, 214, 222, 234, 252, 256, 264, 270, 276, 280, 282, 294, 304, 306, 322, 324, 330, 346, 352, 360, 376, 382, 394, 396, 406, 414, 424, 432, 462, 472

Offset

1,1

Links

Table of n, a(n) for n=1..55.

Example

If n=10 then 41*n - 43 = 367 (prime).
If n=82 then 41*n - 43 = 3319 (prime).

Maple

select(n-> isprime(41*n-43), [$0..600])[]; # Emeric Deutsch, Aug 07 2005

Mathematica

Select[Range[2, 500], PrimeQ[41#-43]&] (* Harvey P. Dale, Apr 06 2016 *)

Prog

(PARI) is(n)=isprime(41*n-43) \\ Charles R Greathouse IV, Jun 13 2017

Crossrefs

Sequence in context: A096128 A334939 A063192 * A187710 A063096 A270819

Adjacent sequences: A109601 A109602 A109603 * A109605 A109606 A109607

Keyword

nonn,easy

Author

Parthasarathy Nambi, Jul 30 2005

Extensions

More terms from Emeric Deutsch, Aug 07 2005

Status

approved