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 A139152 #10 Oct 14 2024 01:38:27
%S A139152 25,145,1009,8065,72577,725761,7983361,95800321,1245404161,
%T A139152 17435658241,261534873601,4184557977601,71137485619201,
%U A139152 1280474741145601,24329020081766401,486580401635328001,10218188434341888001
%N A139152 a(n) = (n!+5)/5.
%H A139152 Amiram Eldar, <a href="/A139152/b139152.txt">Table of n, a(n) for n = 5..450</a>
%t A139152 Table[(n! + 5)/5, {n, 5, 30}]
%Y A139152 Cf. A007749, A020458, A082672, A089085, A089130, A117141, A139056-A139066, A139068, A137390, A139070-A139075, A139148-A139157, A139159, A139160-A139162.
%K A139152 nonn
%O A139152 5,1
%A A139152 _Artur Jasinski_, Apr 11 2008
%E A139152 Name corrected by _Amiram Eldar_, Oct 14 2024