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 A139059 #21 Oct 14 2024 01:36:44
%S A139059 1009,72577,7983361,17435658241,24329020081766401,
%T A139059 5170403347776995328001,
%U A139059 23924444173096038912392632299131543012876746752000000001
%N A139059 Primes of the form (5+k!)/5.
%C A139059 For numbers k for which (5+k!)/5 is prime see A139058.
%H A139059 Amiram Eldar, <a href="/A139059/b139059.txt">Table of n, a(n) for n = 1..10</a>
%F A139059 a(n) = A139152(A139058(n)). - _Amiram Eldar_, Oct 14 2024
%t A139059 a = {}; Do[If[PrimeQ[(n! + 5)/5], AppendTo[a, (n! + 5)/5]], {n, 1, 50}]; a
%t A139059 Select[(5+Range[50]!)/5,PrimeQ] (* _Harvey P. Dale_, Dec 04 2020 *)
%o A139059 (Magma) [ a: n in [1..50] | IsPrime(a) and b mod 5 eq 0 where a is b div 5 where b is Factorial(n)+5 ];
%o A139059 (PARI) for(k=5,1e3,if(ispseudoprime(t=(5+k!)/5),print1(t", "))) \\ _Charles R Greathouse IV_, Jul 15 2011
%Y A139059 Cf. A082672, A089085, A089130, A117141, A007749, A139056-A139066, A139068, A137390, A139070-A139075, A139152.
%K A139059 nonn
%O A139059 1,1
%A A139059 _Artur Jasinski_, Apr 07 2008