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%I #24 Sep 08 2022 08:45:17
%S 0,4,10,34,40,70,106,124,136,144,150,162,166,174,186,190,202,244,280,
%T 300,312,360,370,372,376,384,390,412,454,456,466,472,474,504,522,540,
%U 544,546,550,574,586,592,606,612,624,636,654,670,682,684,690,694,696
%N Numbers k such that 1009*k + 9973 is prime.
%C 1009 and 9973 are the smallest and largest four-digit primes, respectively.
%H Daniel Starodubtsev, <a href="/A105680/b105680.txt">Table of n, a(n) for n = 1..10000</a>
%e If k=0, then 1009*k + 9973 = 9973 (prime).
%e If k=144, then 1009*k + 9973 = 155269 (prime).
%o (Magma) [n: n in [0..700] | IsPrime(1009*n+9973)]; // _Vincenzo Librandi_, Nov 13 2010
%o (PARI) is(n)=isprime(1009*n+9973) \\ _Charles R Greathouse IV_, Jun 06 2017
%Y Cf. A105679.
%K nonn,easy
%O 1,2
%A _Parthasarathy Nambi_, May 06 2005
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