Powers of fourth root of 5 rounded down.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =7a(6) =11a(7) =16a(8) =25a(9) =37a(10) =55a(11) =83a(12) =125a(13) =186a(14) =279a(15) =417a(16) =625a(17) =934a(18) =1397a(19) =2089a(20) =3125a(21) =4672a(22) =6987a(23) =10449a(24) =15625a(25) =23364a(26) =34938a(27) =52245a(28) =78125a(29) =116824