OFFSET
1,2
COMMENTS
137 and 139 are twin primes.
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
Chris Caldwell, The First 1,008 Twin Primes.
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
KEYWORD
nonn
AUTHOR
Parthasarathy Nambi, May 31 2005
EXTENSIONS
More terms from Emeric Deutsch, Jun 13 2005
STATUS
approved