Powers of fifth root of 6 rounded down.

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =4a(5) =6a(6) =8a(7) =12a(8) =17a(9) =25a(10) =36a(11) =51a(12) =73a(13) =105a(14) =150a(15) =216a(16) =309a(17) =442a(18) =632a(19) =905a(20) =1296a(21) =1854a(22) =2653a(23) =3797a(24) =5434a(25) =7776a(26) =11127a(27) =15922a(28) =22784a(29) =32604