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 A238669 #6 Apr 04 2024 10:57:49 %S A238669 107,293,359,389,397,401,433,461,647,727,797,821,977,1063,1163,1229, %T A238669 1301,1367,1427,1451,1499,1571,1657,1721,1987,2099,2111,2179,2207, %U A238669 2351,2447,2707,2797,2801,2861,2957,3037,3187,3221,3457,3463,3527,3541,3557,3607 %N A238669 Primes p such that (p+7)^2+7 is prime but (p+j)^2+j is not prime for all 0<j<7. %H A238669 Alois P. Heinz, <a href="/A238669/b238669.txt">Table of n, a(n) for n = 1..10000</a> %t A238669 Select[Prime[Range[600]],PrimeQ[(#+7)^2+7]&&NoneTrue[Table[(#+j)^2+j,{j,6}],PrimeQ]&] (* _Harvey P. Dale_, Apr 04 2024 *) %Y A238669 Column k=7 of A238086. %K A238669 nonn %O A238669 1,1 %A A238669 _Alois P. Heinz_, Mar 02 2014