a(n) = 512*n + 1.

Terms

a(0) =1a(1) =513a(2) =1025a(3) =1537a(4) =2049a(5) =2561a(6) =3073a(7) =3585a(8) =4097a(9) =4609a(10) =5121a(11) =5633a(12) =6145a(13) =6657a(14) =7169a(15) =7681a(16) =8193a(17) =8705a(18) =9217a(19) =9729a(20) =10241a(21) =10753a(22) =11265a(23) =11777a(24) =12289a(25) =12801a(26) =13313a(27) =13825a(28) =14337a(29) =14849