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 A106699 #15 Sep 08 2022 08:45:18 %S A106699 14,24,30,48,74,78,86,108,116,128,146,168,176,188,200,204,216,234,240, %T A106699 248,266,294,300,308,314,318,330,350,380,386,396,410,420,468,470,480, %U A106699 494,510,524,534,536,554,576,584,590,596,620,630,636,648,650,666,680 %N A106699 Numbers k such that 1009*k - 9973 is prime. %C A106699 1009 and 9973 are the smallest and largest of four-digit primes. %e A106699 If k=14, then 1009*k - 9973 = 4153 (prime). %e A106699 If k=128, then 1009*k - 9973 = 119179 (prime). %o A106699 (Magma) [n: n in [10..100000] | IsPrime(1009*n - 9973)]; // _Vincenzo Librandi_, Nov 13 2010 %o A106699 (PARI) is(n)=isprime(1009*n-9973) \\ _Charles R Greathouse IV_, Jun 13 2017 %Y A106699 Cf. A105680, A105710. %K A106699 nonn,easy %O A106699 1,1 %A A106699 _Parthasarathy Nambi_, May 13 2005