Powers of fifth root of 16 rounded up.

Terms

a(0) =1a(1) =2a(2) =4a(3) =6a(4) =10a(5) =16a(6) =28a(7) =49a(8) =85a(9) =148a(10) =256a(11) =446a(12) =777a(13) =1352a(14) =2353a(15) =4096a(16) =7132a(17) =12417a(18) =21619a(19) =37641a(20) =65536a(21) =114105a(22) =198669a(23) =345902a(24) =602249a(25) =1048576a(26) =1825677a(27) =3178689a(28) =5534418a(29) =9635981