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 A037082 #22 Feb 24 2025 22:43:15
%S A037082 2,3,5,11,19,29,163,281,881,209441,264539521,72642169601,
%T A037082 9927882482918401,26582634158080001,141383412854531380076544001,
%U A037082 427380210218181008588800001,2295148179742698933452800001,191433282535027132859721811688265047080960000001
%N A037082 Primes of the form k!!! + 1.
%H A037082 Vincenzo Librandi, <a href="/A037082/b037082.txt">Table of n, a(n) for n = 1..26</a>
%H A037082 <a href="/index/Fa#factorial">Index entries for sequences related to factorial numbers</a>.
%F A037082 a(n) = 1 + A007661(A037083(n+1)). - _Elmo R. Oliveira_, Feb 22 2025
%e A037082 11!!! + 1 = 11*8*5*2 + 1 = 881 is prime.
%t A037082 Select[Table[Times@@Range[n,1,-3]+1,{n,60}],PrimeQ] (* _Harvey P. Dale_, Jul 09 2014 *)
%Y A037082 Cf. A007661, A037083.
%K A037082 nonn
%O A037082 1,1
%A A037082 _G. L. Honaker, Jr._