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 A192193 #8 Oct 21 2019 15:06:23
%S A192193 0,4,19,24,89,119,124,409,589,619,624,1829,2909,3089,3119,3124,7849,
%T A192193 14329,15409,15589,15619,15624,31469,70349,76829,77909,78089,78119,
%U A192193 78124,110689,273509,343969,382849,389329,390409,390589,390619,390624,1673189,1906469
%N A192193 Monotonic ordering of nonnegative differences 5^i-6^j, for 40>= i>=0, j>=0.
%t A192193 c = 5; d = 6; t[i_, j_] := c^i - d^j;
%t A192193 u = Table[t[i, j], {i, 0, 40}, {j, 0, i*Log[d, c]}];
%t A192193 v = Union[Flatten[u ]]
%Y A192193 Cf. A192194.
%K A192193 nonn
%O A192193 1,2
%A A192193 _Clark Kimberling_, Jun 25 2011