Number of oriented circulant graphs of order n up to Cayley isomorphism.

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =3a(5) =5a(6) =6a(7) =10a(8) =17a(9) =21a(10) =26a(11) =70a(12) =63a(13) =125a(14) =290a(15) =314a(16) =411a(17) =1121a(18) =1098a(19) =2558a(20) =5005a(21) =5909a(22) =8054a(23) =23210a(24) =26589a(25) =44301a(26) =88826a(27) =134554a(28) =170823a(29) =598805