Powers of fourth root of 8 rounded up.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =8a(5) =14a(6) =23a(7) =39a(8) =64a(9) =108a(10) =182a(11) =305a(12) =512a(13) =862a(14) =1449a(15) =2436a(16) =4096a(17) =6889a(18) =11586a(19) =19484a(20) =32768a(21) =55109a(22) =92682a(23) =155872a(24) =262144a(25) =440872a(26) =741456a(27) =1246975a(28) =2097152a(29) =3526976