Number of connected Cayley graphs on n nodes.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =5a(6) =3a(7) =10a(8) =7a(9) =16a(10) =7a(11) =64a(12) =13a(13) =51a(14) =40a(15) =264a(16) =35a(17) =361a(18) =59a(19) =1110a(20) =235a(21) =807a(22) =187a(23) =15310a(24) =461a(25) =4089a(26) =1425a(27) =25726a(28) =1181a(29) =45118