Edge-distinguishing chromatic number of cycle with n nodes.

Terms

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