|
| |
|
|
A154133
|
|
Numbers k such that the fractional part of (4/3)^k is greater than 1-(1/k).
|
|
1
| |
|
|
1, 2, 8, 39, 113, 3895, 4714, 8592, 34289, 60097, 942859, 2759790, 6649343, 7937397, 14480816, 19338413, 19338414, 19338415, 23187701, 124679421
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,2
|
|
|
COMMENTS
| Numbers k such that fract((4/3)^k) > 1-(1/k), where fract(x) = x-floor(x).
The next term is greater than 3*10^8.
|
|
|
EXAMPLE
| a(4)=39, since fract((4/3)^39)=0.9991861450...>0.974358...=1-(1/39), but fract((4/3)^k)<=1-(1/k) for 8<k<39.
|
|
|
CROSSREFS
| Cf. A153664, A153672, A153704, A153711, A154141, A154149.
Cf. A002379, A064628.
Sequence in context: A101714 A077318 A082014 * A077324 A112737 A206901
Adjacent sequences: A154130 A154131 A154132 * A154134 A154135 A154136
|
|
|
KEYWORD
| nonn,more
|
|
|
AUTHOR
| Hieronymus Fischer (Hieronymus.Fischer(AT)gmx.de), Jan 11 2009
|
|
|
EXTENSIONS
| a(11)-a(20) from Robert Gerbicz (robert.gerbicz(AT)gmail.com), Nov 21 2010
|
| |
|
|
