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 A033170 #18 Apr 23 2021 05:34:04 %S A033170 1,2,3,4,5,68,122,246,397,425,513,625,696,970,1062,1167,1215,1244, %T A033170 1251,1576,1722,1787,1823,1871,2406,2413,2532,2574,2660,2844,2851, %U A033170 2856,2857,2858,2859,2860,2861,2864,2865,2872,2879,2900,2954,3005 %N A033170 Positive numbers having the same set of digits in base 6 and base 7. %H A033170 John Cerkan, <a href="/A033170/b033170.txt">Table of n, a(n) for n = 1..10000</a> %o A033170 (PARI) isok(n) = Set(digits(n, 6)) == Set(digits(n, 7)); \\ _Michel Marcus_, Jan 21 2017 %Y A033170 Cf. A007092, A007093. %K A033170 nonn,base %O A033170 1,2 %A A033170 _Clark Kimberling_ %E A033170 Edited by _Don Reble_, Apr 28 2006 %E A033170 Further edited by _N. J. A. Sloane_, Jan 17 2009 at the suggestion of _R. J. Mathar_