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A108027 Numbers n such that 137*n + 139 is prime. 3
0, 12, 20, 26, 32, 54, 66, 92, 96, 104, 126, 132, 140, 144, 152, 174, 176, 180, 182, 186, 194, 200, 204, 210, 222, 230, 260, 264, 276, 284, 290, 302, 306, 336, 342, 360, 384, 390, 402, 404, 414, 416, 420, 480, 482, 486, 500, 510, 536, 546, 566, 570, 582, 584 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
137 and 139 are twin primes.
LINKS
EXAMPLE
If n=104 then 137*n + 139 = 14387 (prime).
MAPLE
a:=proc(n) if isprime(137*n+139)=true then n else fi end: seq(a(n), n=0..700); # Emeric Deutsch
MATHEMATICA
Select[Range[0, 600], PrimeQ[137#+139]&] (* Harvey P. Dale, Apr 03 2017 *)
PROG
(PARI) is(n)=isprime(137*n+139) \\ Charles R Greathouse IV, May 22 2017
CROSSREFS
Sequence in context: A324332 A035511 A095035 * A090767 A117227 A360767
KEYWORD
nonn
AUTHOR
Parthasarathy Nambi, May 31 2005
EXTENSIONS
More terms from Emeric Deutsch, Jun 13 2005
STATUS
approved

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Last modified March 19 04:26 EDT 2024. Contains 370952 sequences. (Running on oeis4.)