a(n) = 9*n + 2.

Terms

a(0) =2a(1) =11a(2) =20a(3) =29a(4) =38a(5) =47a(6) =56a(7) =65a(8) =74a(9) =83a(10) =92a(11) =101a(12) =110a(13) =119a(14) =128a(15) =137a(16) =146a(17) =155a(18) =164a(19) =173a(20) =182a(21) =191a(22) =200a(23) =209a(24) =218a(25) =227a(26) =236a(27) =245a(28) =254a(29) =263