Powers of fourth root of 13 rounded down.

Terms

a(0) =1a(1) =1a(2) =3a(3) =6a(4) =13a(5) =24a(6) =46a(7) =89a(8) =169a(9) =320a(10) =609a(11) =1157a(12) =2197a(13) =4171a(14) =7921a(15) =15041a(16) =28561a(17) =54232a(18) =102978a(19) =195537a(20) =371293a(21) =705021a(22) =1338715a(23) =2541992a(24) =4826809a(25) =9165284a(26) =17403307a(27) =33045903a(28) =62748517a(29) =119148698