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 A362327 #9 Apr 20 2023 14:44:46
%S A362327 0,0,1,0,2,0,1,2,3,0,1,2,3,4,0,2,3,5,0,1,2,4,5,6,0,1,2,5,6,7,0,2,6,8,
%T A362327 0,1,2,3,6,7,8,9,0,1,2,3,4,6,7,8,9,10,0,2,3,5,6,8,9,11,0,1,2,3,4,5,6,
%U A362327 7,8,9,10,11,12,0,1,2,3,4,5,6,7,8,9,10,11
%N A362327 The i-values of pairs (i, j) listed in A362326.
%C A362327 See A362328 for the j-values.
%H A362327 Rémy Sigrist, <a href="/A362327/b362327.txt">Table of n, a(n) for n = 1..16464</a>
%o A362327 (PARI) is(i, j) = { while (i && j, if (i%3==1 && j%3==1, return (0), i\=3; j\=3;);); return (1); }
%o A362327 row(ij) = select(i -> is(i, ij-i), [0..ij])
%Y A362327 Cf. A362326, A362328 (j-values).
%K A362327 nonn,base
%O A362327 1,5
%A A362327 _Rémy Sigrist_, Apr 16 2023