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 A199631 #19 Aug 23 2023 13:38:05
%S A199631 4680215379,4752360918,4765380219,4915280637,5063248197,5164738920,
%T A199631 5382417906,5426370189,5429013678,5628130974,5679321048,5697841320,
%U A199631 5762831940,5783610492,5786430129,5903467821,6019285734,6053147982,6095721483,6143720958,6158723094
%N A199631 Numbers having each digit once and whose cube has each digit three times.
%H A199631 T. D. Noe, <a href="/A199631/b199631.txt">Table of n, a(n) for n = 1..74</a> (all terms).
%H A199631 Patrick De Geest, <a href="http://www.worldofnumbers.com/ninedig4.htm">The nine digits (page 4) with some ten digit (pandigital) exceptions</a>
%H A199631 Author?, <a href="http://web.archive.org/web/20080708203024/http://blue.kakiko.com/mmrmmr/htm/eqtn11.html">All terms</a>
%e A199631 4680215379^3 = 102517384602327906545167884939.
%t A199631 t = Select[Permutations[Range[0, 9]], #[[1]] > 0 &]; t2 = Select[t, Union[DigitCount[FromDigits[#]^3]] == {3} &]; FromDigits /@ t2
%Y A199631 Cf. A050278 (pandigital numbers), A199630, A365144, A199632, A199633. Subsequence of A114259.
%K A199631 nonn,base,fini,full
%O A199631 1,1
%A A199631 _T. D. Noe_, Nov 09 2011