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 A302124 #10 May 24 2021 14:01:03 %S A302124 19,157,1531,4941253,100663291,2324522929, %T A302124 774660240526566167037696179607987213236023100283073 %N A302124 Primes of form 6*k^k - 5. %C A302124 The next term is too large to include. %C A302124 The next term has 297 digits. - _Harvey P. Dale_, May 24 2021 %F A302124 a(n) = 6*A302123(n)^A302123(n) - 5. %t A302124 Select[Table[6k^k-5,{k,50}],PrimeQ] (* _Harvey P. Dale_, May 24 2021 *) %Y A302124 Primes of form b*k^k - b + 1: A301870 (b=4), this sequence (b=6). %Y A302124 Cf. A302091, A302123. %K A302124 nonn %O A302124 1,1 %A A302124 _Seiichi Manyama_, Apr 01 2018