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: A173025 A203463 A010392 * A010423 A035235 A014132
Adjacent sequences: A095039 A095040 A095041 * A095043 A095044 A095045
fini,full,nonn
Hugo Pfoertner (hugo(AT)pfoertner.org), May 27 2004