OFFSET
1,1
EXAMPLE
If n=13 then 10*n - 127 = 3 (prime).
If n=39 then 10*n - 127 = 263 (prime).
MAPLE
a:=proc(n) if isprime(10*n-127)=true then n else fi end: seq(a(n), n=0..200); # Emeric Deutsch, Jul 18 2005
MATHEMATICA
Select[Range[13, 200], PrimeQ[10#-127]&] (* Harvey P. Dale, Aug 22 2021 *)
PROG
(PARI) is(n)=isprime(10*n-127) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Parthasarathy Nambi, Jul 11 2005
EXTENSIONS
More terms from Emeric Deutsch, Jul 18 2005
STATUS
approved