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 A124825 #21 Sep 08 2022 08:45:28 %S A124825 1,3,9,13,27,31,33,39,57,67,79,87,93,109,111,121,159,163,169,177,187, %T A124825 223,229,237,241,267,277,303,351,363,367,369,379,387,421,433,439,451, %U A124825 463,493,507,519,523,541,571,573,589,603,621,633,639,663,673,697,699 %N A124825 Numbers k such that 10k + 7 and 7k + 10 are primes. %H A124825 Harvey P. Dale, <a href="/A124825/b124825.txt">Table of n, a(n) for n = 1..1000</a> %t A124825 Select[Range[700],AllTrue[{10#+7,7#+10},PrimeQ]&] (* The program uses the AllTrue function from Mathematica version 10 *) (* _Harvey P. Dale_, Oct 05 2019 *) %o A124825 (Magma) [n: n in [0..700] | IsPrime(10*n+7) and IsPrime(7*n+10)] // _Vincenzo Librandi_, Mar 26 2010 %Y A124825 Intersection of A102342 and A111250. - _Michel Marcus_, Jan 22 2018 %K A124825 nonn %O A124825 1,2 %A A124825 _Zak Seidov_, Nov 09 2006