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 A078154 #18 Jul 11 2024 01:23:51 %S A078154 2,3,7,13,73,871782913,1307674369,62044840173323943937, %T A078154 33078854415193864122595302822125378214568325182093497117061192683541123570097156545925087233 %N A078154 Primes of the form A004154(k) + 1. %C A078154 More precisely, scan A004154, add 1 and record the answer if it is a prime. The sequence may not be monotonic. %C A078154 The next term is too large to include. %H A078154 Amiram Eldar, <a href="/A078154/b078154.txt">Table of n, a(n) for n = 1..12</a> %o A078154 (Magma) [a: n in [1..100] | IsPrime(a) where a is Factorial(n) div 10^Valuation(Factorial(n), 5)+1]; // _Vincenzo Librandi_, Jun 03 2016 %Y A078154 Cf. A004154, A078203, A078190, A078305. %K A078154 nonn,base %O A078154 1,1 %A A078154 _Cino Hilliard_, Dec 23 2002 %E A078154 More terms from _Joshua Zucker_, Jan 11 2006