a(n) = n-34.

Terms

a(0) =-34a(1) =-33a(2) =-32a(3) =-31a(4) =-30a(5) =-29a(6) =-28a(7) =-27a(8) =-26a(9) =-25a(10) =-24a(11) =-23a(12) =-22a(13) =-21a(14) =-20a(15) =-19a(16) =-18a(17) =-17a(18) =-16a(19) =-15a(20) =-14a(21) =-13a(22) =-12a(23) =-11a(24) =-10a(25) =-9a(26) =-8a(27) =-7a(28) =-6a(29) =-5