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 A128454 #14 Jun 17 2019 14:08:03 %S A128454 1,5,11,89,101,579,655,8115 %N A128454 Numbers k such that the absolute value of 14^k - k^14 is prime. %C A128454 a(9) > 50000. - _Robert Price_, Jun 17 2019 %t A128454 Do[If[PrimeQ[Abs[14^n - n^14]], Print[n]], {n, 10^4}] (* _Ryan Propper_, Mar 27 2007 *) %o A128454 (PARI) is(n)=ispseudoprime(abs(14^n-n^14)) \\ _Charles R Greathouse IV_, Feb 17 2017 %Y A128454 Cf. A072180, A109387, A117705, A117706, A128447, A128448, A128449, A128450, A128451, A122003, A128453. %K A128454 hard,nonn,more %O A128454 1,2 %A A128454 _Alexander Adamchuk_, Mar 03 2007 %E A128454 One more term from _Ryan Propper_, Mar 27 2007