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A108030 Numbers n such that 151*n + 149 is prime. 2
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

149 and 151 are twin primes.

LINKS

Table of n, a(n) for n=1..49.

Chris Caldwell, The First 1,008 Twin Primes.

EXAMPLE

If n=98 then 151*n + 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

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Last modified November 15 01:20 EST 2019. Contains 329142 sequences. (Running on oeis4.)