A103118 Numbers k such that 100*k + 57 is prime.

1, 2, 4, 5, 7, 8, 16, 23, 25, 26, 28, 29, 32, 34, 35, 40, 41, 43, 44, 46, 49, 55, 56, 58, 62, 68, 70, 74, 77, 91, 92, 98, 103, 104, 106, 109, 110, 112, 116, 121, 124, 127, 134, 137, 140, 145, 146, 149, 160, 166, 172, 176, 179, 182, 184, 187, 191, 194, 203, 208, 211

Offset

1,2

Links

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Example

If k=1, then k57 = 157 (prime).
If k=26, then k57 = 2657 (prime).
If k=58, then k57 = 5857 (prime).

Mathematica

Select[Range[300], PrimeQ[100# + 57] &] (* Stefan Steinerberger, Mar 06 2006 *)

Prog

(PARI) is(n)=isprime(100*n + 57) \\ Charles R Greathouse IV, Feb 20 2017

Crossrefs

Sequence in context: A135693 A135367 A141493 * A346140 A262969 A158029

Adjacent sequences: A103115 A103116 A103117 * A103119 A103120 A103121

Keyword

base,nonn

Author

Parthasarathy Nambi, Mar 16 2005

Extensions

More terms from Stefan Steinerberger, Mar 06 2006

Status

approved