Number of complementary pairs of circulant graphs on n nodes.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =4a(6) =2a(7) =6a(8) =4a(9) =10a(10) =4a(11) =24a(12) =8a(13) =24a(14) =22a(15) =42a(16) =20a(17) =96a(18) =30a(19) =168a(20) =100a(21) =208a(22) =94a(23) =656a(24) =215a(25) =700a(26) =464a(27) =1552a(28) =596a(29) =4384