a(n) = 2048*n^2 - 128*n + 1.

Terms

a(0) =1921a(1) =7937a(2) =18049a(3) =32257a(4) =50561a(5) =72961a(6) =99457a(7) =130049a(8) =164737a(9) =203521a(10) =246401a(11) =293377a(12) =344449a(13) =399617a(14) =458881a(15) =522241a(16) =589697a(17) =661249a(18) =736897a(19) =816641a(20) =900481a(21) =988417a(22) =1080449a(23) =1176577a(24) =1276801a(25) =1381121a(26) =1489537a(27) =1602049a(28) =1718657a(29) =1839361