a(n) = 343*n - 70.

Terms

a(0) =273a(1) =616a(2) =959a(3) =1302a(4) =1645a(5) =1988a(6) =2331a(7) =2674a(8) =3017a(9) =3360a(10) =3703a(11) =4046a(12) =4389a(13) =4732a(14) =5075a(15) =5418a(16) =5761a(17) =6104a(18) =6447a(19) =6790a(20) =7133a(21) =7476a(22) =7819a(23) =8162a(24) =8505a(25) =8848a(26) =9191a(27) =9534a(28) =9877a(29) =10220