a(n) = 242*n - 1.

Terms

a(0) =241a(1) =483a(2) =725a(3) =967a(4) =1209a(5) =1451a(6) =1693a(7) =1935a(8) =2177a(9) =2419a(10) =2661a(11) =2903a(12) =3145a(13) =3387a(14) =3629a(15) =3871a(16) =4113a(17) =4355a(18) =4597a(19) =4839a(20) =5081a(21) =5323a(22) =5565a(23) =5807a(24) =6049a(25) =6291a(26) =6533a(27) =6775a(28) =7017a(29) =7259