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A118502
Numbers k that divide floor((4/3)^k).
0
1, 7, 14, 21, 66, 205, 583, 837, 1259, 1631, 2178, 6346, 15851, 58371, 61804, 129196, 409879, 1670753
OFFSET
1,2
COMMENTS
Next term after 409879 is greater than 10^6.
EXAMPLE
floor((4/3)^21) = 420 and 420 is divisible by 21, so 21 is in the sequence.
MATHEMATICA
t = 1; Do[t = 4t/3; If[Mod[Floor[t], n] == 0, Print[n]], {n, 10^6}]
CROSSREFS
Cf. A073633.
Sequence in context: A028555 A061823 A018890 * A190367 A246172 A366112
KEYWORD
nonn,more
AUTHOR
Ryan Propper, May 06 2006
EXTENSIONS
a(18) from Ryan Propper, Jul 21 2006
STATUS
approved