This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A106700 #24 Sep 02 2024 02:41:27 %S A106700 32,72,74,90,92,96,102,104,114,116,120,144,156,200,210,216,230,236, %T A106700 242,260,270,272,294,296,312,314,324,326,336,344,354,386,432,450,456, %U A106700 464,476,494,516,522,530,546,566,600,620,630,632,660,686,714,716,726,734 %N A106700 Numbers k such that 9973*k - 1009 is prime. %C A106700 1009 and 9973 are the smallest and largest of four-digit primes. %H A106700 Harvey P. Dale, <a href="/A106700/b106700.txt">Table of n, a(n) for n = 1..1000</a> %e A106700 If k=32, then 9973*k - 1009 = 318127 (prime). %e A106700 If k=116, then 9973*k - 1009 = 1155859 (prime). %t A106700 Select[Range[1000],PrimeQ[9973#-1009]&] (* _Harvey P. Dale_, Jan 29 2013 *) %o A106700 (Magma) [n: n in [1..100000] | IsPrime(9973*n - 1009)]; // _Vincenzo Librandi_, Nov 13 2010 %o A106700 (PARI) is(n)=isprime(9973*n-1009) \\ _Charles R Greathouse IV_, Jun 12 2017 %Y A106700 Cf. A105680, A105710. %K A106700 nonn,easy %O A106700 1,1 %A A106700 _Parthasarathy Nambi_, May 13 2005