Number of distinct improper 2-coloring of edges for odd-order cyclic graphs.

Terms

a(0) =4a(1) =8a(2) =16a(3) =32a(4) =54a(5) =82a(6) =116a(7) =156a(8) =202a(9) =254a(10) =312a(11) =376a(12) =446a(13) =522a(14) =604a(15) =692a(16) =786a(17) =886a(18) =992a(19) =1104a(20) =1222a(21) =1346a(22) =1476a(23) =1612a(24) =1754a(25) =1902a(26) =2056a(27) =2216a(28) =2382a(29) =2554