Numbers whose base-6 representation has one more 0 than 5's.

Terms

a(0) =6a(1) =12a(2) =18a(3) =24a(4) =37a(5) =38a(6) =39a(7) =40a(8) =42a(9) =48a(10) =54a(11) =60a(12) =73a(13) =74a(14) =75a(15) =76a(16) =78a(17) =84a(18) =90a(19) =96a(20) =109a(21) =110a(22) =111a(23) =112a(24) =114a(25) =120a(26) =126a(27) =132a(28) =145a(29) =146