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 A141282 #2 Mar 30 2012 17:36:44 %S A141282 11,47,233,11459317 %N A141282 Least prime p such that p-6^n, ..., p-6, p, p+6, ... and p+6^n are primes. %C A141282 This pattern is impossible for n >= 5. See A141281. %F A141282 a(1) = A006489(1), a(2) = A141279(1), a(3) = A141280(1), a(4) = A141281(1). %e A141282 a(4) = 11459317 as this is the least prime p such that p-6^4, p-6^3, p-6^2, p-6, p, p+6, p+6^2, p+6^3 and p+6^4 are all prime. The nine primes are 11458021, 11459101, 11459281, 11459311, 11459317, 11459323, 11459353, 11459533 and 11460613. %Y A141282 Cf. A006489, A141279, A141280, A141281. %K A141282 fini,full,nonn %O A141282 1,1 %A A141282 _Rick L. Shepherd_, Jun 22 2008