Numerator of the Harary number for the cycle graph C_n.

Terms

a(0) =0a(1) =1a(2) =3a(3) =5a(4) =15a(5) =10a(6) =77a(7) =47a(8) =75a(9) =131a(10) =1507a(11) =142a(12) =637a(13) =353a(14) =1089a(15) =1487a(16) =12937a(17) =6989a(18) =135451a(19) =7255a(20) =7381a(21) =82451a(22) =1925353a(23) =84866a(24) =430105a(25) =1132133a(26) =3437979a(27) =1158863a(28) =33980257a(29) =1183745