1,2
See A095029.
Dan Gordon, List of Cyclic Difference Sets
Cf. A095025 number of cyclic difference sets with n elements, A095029-A095047 more examples of cyclic difference sets with k=5..20.
Sequence in context: A014423 A101902 A114312 * A178751 A081029 A171966
Adjacent sequences: A095038 A095039 A095040 * A095042 A095043 A095044
fini,full,nonn
Hugo Pfoertner (hugo(AT)pfoertner.org), May 27 2004