Powers of fifth root of 3 rounded up.

Terms

a(0) =1a(1) =2a(2) =2a(3) =2a(4) =3a(5) =3a(6) =4a(7) =5a(8) =6a(9) =8a(10) =9a(11) =12a(12) =14a(13) =18a(14) =22a(15) =27a(16) =34a(17) =42a(18) =53a(19) =66a(20) =81a(21) =101a(22) =126a(23) =157a(24) =196a(25) =243a(26) =303a(27) =378a(28) =470a(29) =586