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%I #5 Aug 21 2015 22:47:20
%S 1,1,1,1,2,17,167,1672
%N Number of isomorphism classes of connected irreducible quasiorders with n labeled points.
%D J. A. Wright, There are 718 6-point topologies, quasi-orderings and transgraphs, Notices Amer. Math. Soc., 17 (1970), p. 646, Abstract #70T-A106.
%H J. A. Wright, <a href="/A000798/a000798_4.pdf">Letter to N. J. A. Sloane, Apr 06 1972, listing 18 sequences</a>
%Y Cf. A046910.
%K nonn
%O 0,5
%A John A. Wright.