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 A289946 #23 Feb 16 2025 08:33:49
%S A289946 1,65,46721,191149697,2986175149697,139317055679149697,
%T A289946 16390300280131775149697,4296598745804900241599149697,
%U A289946 2283384320190476620685217983149697,2283382306976051006261597069217983149697
%N A289946 a(n) = Sum_{k=1..n} k!^6.
%H A289946 Seiichi Manyama, <a href="/A289946/b289946.txt">Table of n, a(n) for n = 1..104</a>
%H A289946 Geoffrey Critzer, <a href="https://esirc.emporia.edu/handle/123456789/3595">Combinatorics of Vector Spaces over Finite Fields</a>, Master's thesis, Emporia State University, 2018. [This thesis cites this sequence entry, but it's just a typo: the intended sequence entry is A289546.]
%H A289946 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/FactorialSums.html">Factorial Sums</a>
%t A289946 Table[Sum[k!^6, {k, n}], {n, 10}]
%t A289946 Accumulate[(Range[10]!)^6] (* _Harvey P. Dale_, May 14 2023 *)
%o A289946 (PARI) a(n) = sum(k=1, n, k!^6); \\ _Michel Marcus_, Jul 16 2017
%Y A289946 Cf. A007489 (k!), A104344 (k!^2), A289945 (k!^4).
%Y A289946 Cf. A289947 (indices giving primes).
%K A289946 nonn
%O A289946 1,2
%A A289946 _Eric W. Weisstein_, Jul 16 2017