A154135 Greatest number m such that the fractional part of (4/3)^A154131(n) <= 1/m.

3, 6, 30, 6430, 4822, 22869, 20551, 224544, 184762, 2396968, 15229280, 3183837, 2387878, 28274047, 7149842

Offset

1,1

Links

Table of n, a(n) for n=1..15.

Formula

a(n) = floor(1/fract((4/3)^A154131(n))), where fract(x) = x - floor(x).

Example

a(3)=30 since 1/31<fract((4/3)^A154131(3))=fract((4/3)^17)=0.0327357...<=1/30.

Crossrefs

Cf. A153666, A153674, A153706, A153714, A154143, A154151.

Cf. A002379, A064628.

Sequence in context: A002164 A331661 A117805 * A182274 A103091 A186940

Adjacent sequences: A154132 A154133 A154134 * A154136 A154137 A154138

Keyword

nonn,more

Author

Hieronymus Fischer, Jan 11 2009

Extensions

a(10)-a(15) from Jinyuan Wang, Mar 03 2020

Status

approved