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 A219283 #12 Sep 08 2022 08:46:04
%S A219283 6431804812640900941,31211427601852046808999765129652549,
%T A219283 4519079836942618423019040742735616921552429101,
%U A219283 22137406298265966315641393147750228275603823278911109
%N A219283 Primes of the form 13^k - 12^k.
%H A219283 Vincenzo Librandi, <a href="/A219283/b219283.txt">Table of n, a(n) for n = 1..7</a>
%t A219283 Select[Table[13^n - 12^n, {n, 0, 200}], PrimeQ]
%o A219283 (Magma) [a: n in [0..200] | IsPrime(a) where a is 13^n - 12^n];
%Y A219283 Cf. A058765, A147667, A147669, A199820, A082101, A081505.
%Y A219283 Cf. A062579 (associated k).
%K A219283 nonn
%O A219283 1,1
%A A219283 _Vincenzo Librandi_, Nov 23 2012