Powers of fifth root of 3 rounded down.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =3a(6) =3a(7) =4a(8) =5a(9) =7a(10) =9a(11) =11a(12) =13a(13) =17a(14) =21a(15) =27a(16) =33a(17) =41a(18) =52a(19) =65a(20) =81a(21) =100a(22) =125a(23) =156a(24) =195a(25) =243a(26) =302a(27) =377a(28) =469a(29) =585