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 A256602 #19 Apr 09 2015 05:27:45 %S A256602 37,97,157,277,337,373,397,409,457,541,577,613,673,709,733,757,769, %T A256602 853,877,937,997,1009,1069,1117,1129,1201,1213,1237,1249,1297,1381, %U A256602 1549,1597,1657,1693,1741,1753,1777,1801,1861,1993,2017,2053,2137,2161,2221,2281,2293,2377 %N A256602 Primes of form 12*k + 1 and not a twin prime. %C A256602 A142793 is a subsequence. %F A256602 a(n) ~ 4n log n. - _Charles R Greathouse IV_, Apr 06 2015 %e A256602 37 = 12*3+1 and 35 is not prime, so 37 belongs to the sequence. %o A256602 (PARI) is(n)=isprime(n) && n%12==1 && !isprime(n+2) && !isprime(n-2) \\ _Charles R Greathouse IV_, Apr 06 2015 %Y A256602 Cf. A142793 (primes congruent to 37 mod 60). %K A256602 nonn %O A256602 1,1 %A A256602 _Neri Gionata_, Apr 06 2015