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A127575
Numbers n such that 16n+15 is prime.
21
1, 2, 4, 7, 11, 13, 14, 16, 22, 23, 26, 28, 29, 37, 44, 46, 53, 56, 61, 64, 67, 68, 71, 76, 79, 82, 88, 89, 91, 92, 97, 98, 103, 109, 113, 116, 121, 124, 128, 131, 133, 137, 139, 142, 146, 148, 149, 152, 158, 161, 166, 167, 169, 172, 179, 182, 188, 194, 197
OFFSET
1,2
LINKS
MATHEMATICA
a = {}; Do[If[PrimeQ[16n + 15], AppendTo[a, n]], {n, 1, 200}]; a
PROG
(PARI) is(n)=isprime(16*n+15) \\ Charles R Greathouse IV, Apr 29 2015
CROSSREFS
Cf. A125169 (16n+15), A127576 (resulting primes).
Sequence in context: A101430 A328418 A249594 * A240106 A206853 A229618
KEYWORD
nonn
AUTHOR
Artur Jasinski, Jan 19 2007
STATUS
approved