A192195 - OEIS

%I #7 Oct 21 2019 15:07:12

%S 0,4,18,24,76,118,124,282,576,618,624,724,2782,3076,3118,3124,13224,

%T 15282,15576,15618,15624,61318,75724,77782,78076,78118,78124,272976,

%U 373818,388224,390282,390576,390618,390624,1129582,1835476,1936318,1950724,1952782

%N Monotonic ordering of nonnegative differences 5^i-7^j, for 40>= i>=0, j>=0.

%t c = 5; d = 7; t[i_, j_] := c^i - d^j;

%t u = Table[t[i, j], {i, 0, 40}, {j, 0, i*Log[d, c]}];

%t v = Union[Flatten[u ]]

%Y Cf. A192196.

%K nonn

%O 1,2

%A _Clark Kimberling_, Jun 25 2011