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A108855
Numbers n such that 10*n + 127 is prime.
1
0, 1, 3, 4, 7, 10, 13, 15, 18, 19, 21, 22, 24, 27, 33, 34, 36, 42, 43, 45, 46, 48, 49, 52, 55, 60, 63, 66, 67, 70, 73, 75, 76, 78, 81, 82, 84, 85, 87, 96, 97, 99, 106, 109, 111, 115, 117, 118, 120, 124, 130, 132, 136, 144, 147, 148, 150, 151, 153, 154, 157, 162, 165, 166
OFFSET
1,3
LINKS
EXAMPLE
If n=0 then 10*n + 127 = 127 (prime).
If n=34 then 10*n + 127 = 467 (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 16 2005
MATHEMATICA
Select[Range[0, 200], PrimeQ[10#+127]&] (* Harvey P. Dale, Feb 02 2015 *)
PROG
(PARI) is(n)=isprime(10*n+127) \\ Charles R Greathouse IV, Jun 12 2017
CROSSREFS
Sequence in context: A177959 A371634 A360254 * A026488 A108579 A332822
KEYWORD
nonn,easy
AUTHOR
Parthasarathy Nambi, Jul 11 2005
EXTENSIONS
More terms from Emeric Deutsch, Jul 16 2005
STATUS
approved