a(n) = 784*n - 1.

Terms

a(0) =783a(1) =1567a(2) =2351a(3) =3135a(4) =3919a(5) =4703a(6) =5487a(7) =6271a(8) =7055a(9) =7839a(10) =8623a(11) =9407a(12) =10191a(13) =10975a(14) =11759a(15) =12543a(16) =13327a(17) =14111a(18) =14895a(19) =15679a(20) =16463a(21) =17247a(22) =18031a(23) =18815a(24) =19599a(25) =20383a(26) =21167a(27) =21951a(28) =22735a(29) =23519