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A108969 Numbers n such that 43*n + 41 is prime. 0
0, 2, 12, 14, 42, 44, 60, 62, 66, 72, 86, 90, 104, 114, 132, 150, 152, 170, 174, 182, 186, 192, 200, 212, 222, 230, 234, 264, 276, 284, 290, 300, 312, 336, 342, 350, 354, 356, 362, 380, 384, 390, 402, 416, 432, 446, 450, 452, 464, 476, 480, 486, 494, 504, 506 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

41 and 43 are twin primes.

LINKS

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

EXAMPLE

If n=0 then 43*n + 41 = 41 (prime).

If n=90 then 43*n + 41 = 3911 (prime).

MATHEMATICA

Select[Range[0, 510], PrimeQ[43#+41]&] (* Harvey P. Dale, Feb 27 2012 *)

PROG

(MAGMA) [n: n in [0..10000] |IsPrime(43*n + 41)] - Vincenzo Librandi, Nov 13 2010

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

CROSSREFS

Sequence in context: A280942 A270119 A260899 * A269130 A265485 A166745

Adjacent sequences:  A108966 A108967 A108968 * A108970 A108971 A108972

KEYWORD

nonn,easy

AUTHOR

Parthasarathy Nambi, Jul 30 2005

STATUS

approved

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Last modified January 24 01:05 EST 2020. Contains 331178 sequences. (Running on oeis4.)