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A192195
Monotonic ordering of nonnegative differences 5^i-7^j, for 40>= i>=0, j>=0.
3
0, 4, 18, 24, 76, 118, 124, 282, 576, 618, 624, 724, 2782, 3076, 3118, 3124, 13224, 15282, 15576, 15618, 15624, 61318, 75724, 77782, 78076, 78118, 78124, 272976, 373818, 388224, 390282, 390576, 390618, 390624, 1129582, 1835476, 1936318, 1950724, 1952782
OFFSET
1,2
MATHEMATICA
c = 5; d = 7; t[i_, j_] := c^i - d^j;
u = Table[t[i, j], {i, 0, 40}, {j, 0, i*Log[d, c]}];
v = Union[Flatten[u ]]
CROSSREFS
Cf. A192196.
Sequence in context: A255409 A363052 A057342 * A099565 A063563 A323848
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jun 25 2011
STATUS
approved