A140881 - OEIS

%I #19 Oct 12 2012 14:54:50

%S 1,1,1,2,2,3,4,5,6,8,10,12,16,20,25,32,41,52,65,83,104,132,166,210,

%T 265,335,422,533,673,849,1072,1353,1707,2154,2718,3430,4329,5462,6893,

%U 8698,10975,13850,17476,22053,27828,35115,44310,55913,70555,89030,112344

%N floor((log(4)/log(3))^n).

%t Table[Floor[(Log[4]/Log[3])^n], {n, 0, 50}]

%K nonn,easy

%O 0,4

%A _Roger L. Bagula_ and _Gary W. Adamson_, Jul 22 2008