1,1
Intersecting hypergraph is intersecting T_0-hypergraph if for every two distinct nodes there exists a hyperedge containing one but not the other node.
Table of n, a(n) for n=1..7.
Cf. A051185, A059083.
Sequence in context: A182146 A218077 A240040 * A102996 A189896 A095182
Adjacent sequences: A088885 A088886 A088887 * A088889 A088890 A088891
hard,nonn
Goran Kilibarda, Vladeta Jovovic, Nov 28 2003
approved