A192113 Monotonic ordering of nonnegative differences 4^i-2^j, for 40>=i>=0, j>=0.

0, 2, 3, 8, 12, 14, 15, 32, 48, 56, 60, 62, 63, 128, 192, 224, 240, 248, 252, 254, 255, 512, 768, 896, 960, 992, 1008, 1016, 1020, 1022, 1023, 2048, 3072, 3584, 3840, 3968, 4032, 4064, 4080, 4088, 4092, 4094, 4095, 8192, 12288, 14336, 15360, 15872, 16128

Offset

1,2

Links

Table of n, a(n) for n=1..49.

Mathematica

c = 4; d = 2; 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. A192112.

Sequence in context: A042583 A128839 A368357 * A243192 A164817 A002958

Adjacent sequences: A192110 A192111 A192112 * A192114 A192115 A192116

Keyword

nonn

Author

Clark Kimberling, Jun 23 2011

Status

approved