%I #6 Mar 03 2020 02:50:01
%S 3,6,30,6430,4822,22869,20551,224544,184762,2396968,15229280,3183837,
%T 2387878,28274047,7149842
%N Greatest number m such that the fractional part of (4/3)^A154131(n) <= 1/m.
%F a(n) = floor(1/fract((4/3)^A154131(n))), where fract(x) = x - floor(x).
%e a(3)=30 since 1/31<fract((4/3)^A154131(3))=fract((4/3)^17)=0.0327357...<=1/30.
%Y Cf. A153666, A153674, A153706, A153714, A154143, A154151.
%Y Cf. A002379, A064628.
%K nonn,more
%O 1,1
%A _Hieronymus Fischer_, Jan 11 2009
%E a(10)-a(15) from _Jinyuan Wang_, Mar 03 2020