A192162 Monotonic ordering of nonnegative differences 5^i-4^j, for 40>= i>=0, j>=0.

0, 1, 4, 9, 21, 24, 61, 109, 121, 124, 369, 561, 609, 621, 624, 2101, 2869, 3061, 3109, 3121, 3124, 11529, 12589, 14601, 15369, 15561, 15609, 15621, 15624, 61741, 74029, 77101, 77869, 78061, 78109, 78121, 78124, 128481, 325089, 374241, 386529, 389601, 390369

Offset

1,3

Links

Table of n, a(n) for n=1..43.

Mathematica

c = 5; d = 4; 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. A192161.

Sequence in context: A197869 A276319 A038805 * A251545 A228642 A334261

Adjacent sequences: A192159 A192160 A192161 * A192163 A192164 A192165

Keyword

nonn

Author

Clark Kimberling, Jun 24 2011

Status

approved