Powers of fifth root of 7 rounded up.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =7a(6) =11a(7) =16a(8) =23a(9) =34a(10) =49a(11) =73a(12) =107a(13) =158a(14) =233a(15) =343a(16) =507a(17) =748a(18) =1103a(19) =1627a(20) =2401a(21) =3544a(22) =5230a(23) =7718a(24) =11389a(25) =16807a(26) =24804a(27) =36605a(28) =54020a(29) =79721