a(n) = 3*A146085(n) - 2.

Terms

a(0) =1a(1) =10a(2) =19a(3) =82a(4) =91a(5) =100a(6) =163a(7) =172a(8) =181a(9) =730a(10) =739a(11) =748a(12) =811a(13) =820a(14) =829a(15) =892a(16) =901a(17) =910a(18) =1459a(19) =1468a(20) =1477a(21) =1540a(22) =1549a(23) =1558a(24) =1621a(25) =1630a(26) =1639a(27) =6562a(28) =6571a(29) =6580