a(n) = 512*n - 16.

Terms

a(0) =496a(1) =1008a(2) =1520a(3) =2032a(4) =2544a(5) =3056a(6) =3568a(7) =4080a(8) =4592a(9) =5104a(10) =5616a(11) =6128a(12) =6640a(13) =7152a(14) =7664a(15) =8176a(16) =8688a(17) =9200a(18) =9712a(19) =10224a(20) =10736a(21) =11248a(22) =11760a(23) =12272a(24) =12784a(25) =13296a(26) =13808a(27) =14320a(28) =14832a(29) =15344