a(n) = n-23.

Terms

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