Powers of cube root of 23 rounded down.

Terms

a(0) =1a(1) =2a(2) =8a(3) =23a(4) =65a(5) =186a(6) =529a(7) =1504a(8) =4278a(9) =12167a(10) =34601a(11) =98401a(12) =279841a(13) =795830a(14) =2263236a(15) =6436343a(16) =18304103a(17) =52054435a(18) =148035889a(19) =420994376a(20) =1197252006a(21) =3404825447a(22) =9682870660a(23) =27536796142a(24) =78310985281a(25) =222706025200a(26) =633346311281