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 A364000 #8 Sep 04 2023 12:46:03
%S A364000 0,2,3,5,6,8,9,11,12,14,18,23,24,27,30,32,36,38,39,50,57,59,62,69,87,
%T A364000 89,105,108,113,114,117,119,120,123,126,134,147,215,236,242,251,254,
%U A364000 300,332,348,356,360,362,363,390,471,498,507,510,581,659,815,837
%N A364000 Numbers of the form |2^i - 3^j - 1|/2, i >= 1, j >= 1.
%t A364000 t = Table[Abs[2^i - 3^j], {i, 1, 30}, {j, 1, 30}];
%t A364000 v = Union[Sort[Flatten[t]]] ; (* A363999 *)
%t A364000 (v - 1)/2; (* this sequence *)
%Y A364000 Cf. A363999.
%K A364000 nonn
%O A364000 1,2
%A A364000 _Clark Kimberling_, Aug 09 2023