|
%I #16 Feb 10 2020 18:26:25
%S 2,20,22,46,74,76,104,110,112,140,196,206,212,322,332,386,434,440,572,
%T 602,764,766,806,812,820,986,1070,1076,1160,1334,1396,1402,1432,1460,
%U 1574,1630,1636,1660,1760,1802,2026,2036,2066,2080,2132,2134,2192,2200
%N Numbers k such that k^9 - 3 is prime.
%H Daniel Starodubtsev, <a href="/A112405/b112405.txt">Table of n, a(n) for n = 1..10000</a>
%e If k=140 then k^9 - 3 = 20661046783999999997 (prime).
%t Select[ Range[2, 2233], PrimeQ[ #^9 - 3] &] (* _Robert G. Wilson v_, Jan 26 2006 *)
%o (PARI) is(n)=isprime(n^9-3) \\ _Charles R Greathouse IV_, Jun 06 2017
%K nonn,easy
%O 1,1
%A _Parthasarathy Nambi_, Jan 25 2006
%E Edited and extended by _Robert G. Wilson v_, Jan 26 2006
|
