Powers of fourth root of 17 rounded up.

Terms

a(0) =1a(1) =3a(2) =5a(3) =9a(4) =17a(5) =35a(6) =71a(7) =143a(8) =289a(9) =587a(10) =1192a(11) =2420a(12) =4913a(13) =9977a(14) =20257a(15) =41133a(16) =83521a(17) =169593a(18) =344366a(19) =699250a(20) =1419857a(21) =2883081a(22) =5854221a(23) =11887248a(24) =24137569a(25) =49012377a(26) =99521747a(27) =202083205a(28) =410338673