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: A155211 A206716 A010385 * A191284 A071403 A010407
Adjacent sequences: A095034 A095035 A095036 * A095038 A095039 A095040
fini,full,nonn
Hugo Pfoertner (hugo(AT)pfoertner.org), May 27 2004