a(n) = 384*n + 257.

Terms

a(0) =257a(1) =641a(2) =1025a(3) =1409a(4) =1793a(5) =2177a(6) =2561a(7) =2945a(8) =3329a(9) =3713a(10) =4097a(11) =4481a(12) =4865a(13) =5249a(14) =5633a(15) =6017a(16) =6401a(17) =6785a(18) =7169a(19) =7553a(20) =7937a(21) =8321a(22) =8705a(23) =9089a(24) =9473a(25) =9857a(26) =10241a(27) =10625a(28) =11009a(29) =11393