Powers of fourth root of 6 rounded down.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =6a(5) =9a(6) =14a(7) =23a(8) =36a(9) =56a(10) =88a(11) =138a(12) =216a(13) =338a(14) =529a(15) =828a(16) =1296a(17) =2028a(18) =3174a(19) =4968a(20) =7776a(21) =12170a(22) =19047a(23) =29810a(24) =46656a(25) =73020a(26) =114283a(27) =178863a(28) =279936a(29) =438123