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 A301523 #31 Aug 25 2020 12:23:22
%S A301523 3,7,8,25,26,30,121,122,126,144,721,722,726,744,840,5041,5042,5046,
%T A301523 5064,5160,5760,40321,40322,40326,40344,40440,41040,45360,362881,
%U A301523 362882,362886,362904,363000,363600,367920,403200,3628801,3628802,3628806,3628824,3628920,3629520,3633840,3669120,3991680
%N A301523 Integers which can be partitioned into two distinct factorials. 0! and 1! are not considered distinct.
%C A301523 Numbers of the form i! + j! where i > j > 0. - _Altug Alkan_, Mar 23 2018
%C A301523 Primes in this sequence are A088332(n) for n > 1.
%H A301523 Seiichi Manyama, <a href="/A301523/b301523.txt">Table of n, a(n) for n = 1..10000</a>
%e A301523 + | 1 2 6 24
%e A301523 ----+--------------------
%e A301523 1 |
%e A301523 2 | 3;
%e A301523 6 | 7, 8;
%e A301523 24 | 25, 26, 30;
%e A301523 120 | 121, 122, 126, 144;
%t A301523 Union[Total/@Subsets[Range[10]!,{2}]] (* _Harvey P. Dale_, Aug 25 2020 *)
%Y A301523 Cf. A000142, A001048, A038507, A059590, A088332, A301593.
%K A301523 nonn
%O A301523 1,1
%A A301523 _Seiichi Manyama_, Mar 23 2018