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A105059 Numbers n such that 100000n - 1 is prime. 0

%I

%S 2,6,8,12,14,18,26,27,30,35,48,50,56,68,78,81,99,102,111,116,119,125,

%T 134,135,137,144,159,170,182,189,194,200,210,212,221,225,228,240,242,

%U 249,251,261,266,267,278,281,294,300,302,303,312,314,321,327,338,341

%N Numbers n such that 100000n - 1 is prime.

%e If n=2, then 100000 * n - 1 is prime.

%e If n=78, then 100000 * n - 1 is prime.

%t Select[ Range[ 343], PrimeQ[100000# - 1] &] (* _Robert G. Wilson v_, Apr 05 2005 *)

%o (PARI) is(n)=isprime(100000*n-1) \\ _Charles R Greathouse IV_, Jun 13 2017

%K nonn,easy

%O 1,1

%A _Parthasarathy Nambi_, Apr 04 2005

%E More terms from _Robert G. Wilson v_, Apr 05 2005

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Last modified October 26 11:59 EDT 2021. Contains 348267 sequences. (Running on oeis4.)