A192195 Monotonic ordering of nonnegative differences 5^i-7^j, for 40>= i>=0, j>=0.

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

Links

Table of n, a(n) for n=1..39.

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

Adjacent sequences: A192192 A192193 A192194 * A192196 A192197 A192198

Keyword

nonn

Author

Clark Kimberling, Jun 25 2011

Status

approved