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 A062632 #19 Jul 04 2021 09:00:21 %S A062632 2,7,47,61,73,317,4447,32749,72047,99581 %N A062632 Numbers k such that 66^k - 65^k is prime. %C A062632 Terms greater than 1000 are often only strong pseudoprimes. %C A062632 a(11) > 10^5. - _Robert Price_, Sep 03 2013 %o A062632 (PARI) is(n)=ispseudoprime(66^n-65^n) \\ _Charles R Greathouse IV_, Jun 13 2017 %Y A062632 Cf. A000043, A057468, A059801, A059802, A062572-A062666. %K A062632 nonn,hard %O A062632 1,1 %A A062632 _Mike Oakes_, May 18 2001, May 19 2001 %E A062632 a(8)-a(10) (Computed by Adam Marciniec) from _Robert Price_, Sep 03 2013