

A108030


Numbers k such that 151*k + 149 is prime.


3



0, 20, 30, 42, 44, 50, 60, 62, 78, 98, 102, 110, 120, 128, 144, 158, 162, 170, 174, 180, 182, 188, 194, 198, 210, 240, 242, 252, 258, 260, 264, 272, 294, 302, 314, 348, 350, 368, 380, 392, 404, 408, 432, 450, 462, 470, 482, 492, 498
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OFFSET

1,2


COMMENTS

149 and 151 are twin primes.


LINKS

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000
Chris Caldwell, The First 1,008 Twin Primes.


EXAMPLE

If k=98 then 151*k + 149 = 14947 (prime).


MATHEMATICA

Select[Range[0, 500], PrimeQ[151*# + 149] &] (* Stefan Steinerberger, Mar 03 2006 *)


PROG

(PARI) is(n)=isprime(151*n+149) \\ Charles R Greathouse IV, Jun 06 2017


CROSSREFS

Sequence in context: A216603 A166730 A109944 * A095787 A198471 A120145
Adjacent sequences: A108027 A108028 A108029 * A108031 A108032 A108033


KEYWORD

nonn,easy


AUTHOR

Parthasarathy Nambi, May 31 2005


EXTENSIONS

More terms from Stefan Steinerberger, Mar 03 2006


STATUS

approved



