Number of circulant tournaments on 2n+1 nodes up to Cayley isomorphism.

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =4a(5) =6a(6) =16a(7) =16a(8) =30a(9) =88a(10) =94a(11) =208a(12) =472a(13) =586a(14) =1096a(15) =3280a(16) =5472a(17) =7286a(18) =21856a(19) =26216a(20) =49940a(21) =175104a(22) =182362a(23) =399480a(24) =1048576a(25) =1290556a(26) =3355456a(27) =7456600a(28) =9256396a(29) =17895736