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 A327453 #14 Sep 22 2019 20:47:11 %S A327453 1,2,3,4,5,6,7,8,9,12,31,20,15,34,23,18,37,26,42,61,29,45,64,50,48,67, %T A327453 53,72,91,56,75,94,59,78,97,80,120,123,126,129,150,153,156,159,180, %U A327453 183,186,189,420,423,426,429,450,453,456,459,480,483,486,489,720 %N A327453 Lexicographically earliest sequence of distinct positive numbers such that if we add three successive digits the result is divisible by 3. %C A327453 The variant where the sum of two consecutive digits is divisible by 2 corresponds to A014261. - _Rémy Sigrist_, Sep 22 2019 %D A327453 Éric Angelini, Posting to Sequence Fans Mailing List, Sep 16 2019. %H A327453 Rémy Sigrist, <a href="/A327453/b327453.txt">Table of n, a(n) for n = 1..10000</a> %H A327453 Rémy Sigrist, <a href="/A327453/a327453.gp.txt">PARI program for A327453</a> %o A327453 (PARI) See Links section. %Y A327453 Cf. A014261, A327454-A327456. %K A327453 nonn,base %O A327453 1,2 %A A327453 _N. J. A. Sloane_, Sep 22 2019 %E A327453 More terms from _Rémy Sigrist_, Sep 22 2019