Powers of fourth root of 8 rounded down.

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =8a(5) =13a(6) =22a(7) =38a(8) =64a(9) =107a(10) =181a(11) =304a(12) =512a(13) =861a(14) =1448a(15) =2435a(16) =4096a(17) =6888a(18) =11585a(19) =19483a(20) =32768a(21) =55108a(22) =92681a(23) =155871a(24) =262144a(25) =440871a(26) =741455a(27) =1246974a(28) =2097152a(29) =3526975