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 A038472 #9 Jul 13 2022 05:59:03
%S A038472 85,277,325,337,340,1045,1093,1105,1108,1285,1297,1300,1345,1348,1360,
%T A038472 4117,4165,4177,4180,4357,4369,4372,4417,4420,4432,5125,5137,5140,
%U A038472 5185,5188,5200,5377,5380,5392,5440,16405,16453,16465,16468,16645,16657,16660,16705,16708
%N A038472 Sums of 4 distinct powers of 4.
%H A038472 Amiram Eldar, <a href="/A038472/b038472.txt">Table of n, a(n) for n = 1..10000</a>
%t A038472 Sort[Plus @@@ Subsets[4^Range[0, 7], {4}]] (* _Amiram Eldar_, Jul 13 2022 *)
%Y A038472 Base 4 interpretation of A038446.
%Y A038472 Cf. A000302, A038470, A038471, A038473.
%K A038472 nonn,easy
%O A038472 1,1
%A A038472 _Olivier Gérard_
%E A038472 Offset corrected by _Amiram Eldar_, Jul 13 2022