A192148 Monotonic ordering of nonnegative differences 4^i-3^j, for 40>=i>=0, j>=0.

0, 1, 3, 7, 13, 15, 37, 55, 61, 63, 175, 229, 247, 253, 255, 295, 781, 943, 997, 1015, 1021, 1023, 1909, 3367, 3853, 4015, 4069, 4087, 4093, 4095, 6487, 9823, 14197, 15655, 16141, 16303, 16357, 16375, 16381, 16383, 45853, 58975, 63349, 64807, 65293, 65455

Offset

1,3

Links

Table of n, a(n) for n=1..46.

Mathematica

c = 4; d = 3; 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. A192147.

Sequence in context: A356211 A331036 A060657 * A151875 A117533 A065057

Adjacent sequences: A192145 A192146 A192147 * A192149 A192150 A192151

Keyword

nonn

Author

Clark Kimberling, Jun 24 2011

Status

approved