a(n) = n-5.

Terms

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