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 A038480 #15 Jul 14 2022 05:44:39 %S A038480 259,1339,1519,1549,1554,7819,7999,8029,8034,9079,9109,9114,9289,9294, %T A038480 9324,46699,46879,46909,46914,47959,47989,47994,48169,48174,48204, %U A038480 54439,54469,54474,54649,54654,54684,55729,55734,55764,55944,279979,280159,280189,280194 %N A038480 Sums of 4 distinct powers of 6. %H A038480 Amiram Eldar, <a href="/A038480/b038480.txt">Table of n, a(n) for n = 1..10000</a> %t A038480 Union[Total/@Subsets[6^Range[0,10],{4}]] (* _Harvey P. Dale_, Nov 05 2011 *) %Y A038480 Base-6 interpretation of A038446. %Y A038480 Cf. A000400, A038478, A038479. %K A038480 nonn,easy %O A038480 1,1 %A A038480 _Olivier Gérard_ %E A038480 Offset corrected by _Amiram Eldar_, Jul 14 2022