a(n) = 162n - 1.

Terms

a(0) =161a(1) =323a(2) =485a(3) =647a(4) =809a(5) =971a(6) =1133a(7) =1295a(8) =1457a(9) =1619a(10) =1781a(11) =1943a(12) =2105a(13) =2267a(14) =2429a(15) =2591a(16) =2753a(17) =2915a(18) =3077a(19) =3239a(20) =3401a(21) =3563a(22) =3725a(23) =3887a(24) =4049a(25) =4211a(26) =4373a(27) =4535a(28) =4697a(29) =4859