Powers of cube root of 10 rounded down.

Terms

a(0) =1a(1) =2a(2) =4a(3) =10a(4) =21a(5) =46a(6) =100a(7) =215a(8) =464a(9) =1000a(10) =2154a(11) =4641a(12) =10000a(13) =21544a(14) =46415a(15) =100000a(16) =215443a(17) =464158a(18) =1000000a(19) =2154434a(20) =4641588a(21) =10000000a(22) =21544346a(23) =46415888a(24) =100000000a(25) =215443469a(26) =464158883a(27) =1000000000a(28) =2154434690a(29) =4641588833