Numbers of the form 5^j + 8^k, for j and k >= 0.

Terms

a(0) =2a(1) =6a(2) =9a(3) =13a(4) =26a(5) =33a(6) =65a(7) =69a(8) =89a(9) =126a(10) =133a(11) =189a(12) =513a(13) =517a(14) =537a(15) =626a(16) =633a(17) =637a(18) =689a(19) =1137a(20) =3126a(21) =3133a(22) =3189a(23) =3637a(24) =4097a(25) =4101a(26) =4121a(27) =4221a(28) =4721a(29) =7221