Numbers k that divide floor((4/3)^k).

Terms

a(0) =1a(1) =7a(2) =14a(3) =21a(4) =66a(5) =205a(6) =583a(7) =837a(8) =1259a(9) =1631a(10) =2178a(11) =6346a(12) =15851a(13) =58371a(14) =61804a(15) =129196a(16) =409879a(17) =1670753