Nearest integer to (4/3)^n.

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =3a(5) =4a(6) =6a(7) =7a(8) =10a(9) =13a(10) =18a(11) =24a(12) =32a(13) =42a(14) =56a(15) =75a(16) =100a(17) =133a(18) =177a(19) =237a(20) =315a(21) =420a(22) =561a(23) =747a(24) =997a(25) =1329a(26) =1772a(27) =2362a(28) =3150a(29) =4200