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 A199633 #13 Aug 23 2023 13:29:46 %S A199633 7025869314,7143258096,7931584062,8094273561,8920416357,9247560381 %N A199633 Numbers having each digit once and whose 6th power has each digit six times. %C A199633 There are 6 numbers total. There are no higher powers with this property. %H A199633 Patrick De Geest, <a href="http://www.worldofnumbers.com/ninedig4.htm">The nine digits (page 4) with some ten digit (pandigital) exceptions</a> %H A199633 Author?, <a href="http://web.archive.org/web/20080708203024/http://blue.kakiko.com/mmrmmr/htm/eqtn11.html">All terms</a> %e A199633 7025869314 ^6 = 120281934463386157260042215510596389732740014997586987548736. %t A199633 t = Select[Permutations[Range[0, 9]], #[[1]] > 0 &]; t2 = Select[t, Union[DigitCount[FromDigits[#]^6]] == {6} &]; FromDigits /@ t2 %Y A199633 Cf. A050278 (pandigital numbers), A199630, A199631, A365144, A199632. %K A199633 nonn,base,fini,full %O A199633 1,1 %A A199633 _T. D. Noe_, Nov 09 2011