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%I #6 Aug 21 2015 22:48:01
%S 1,1,2,4,14,62,373,2722
%N Number of isomorphism classes of 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. A046912.
%K nonn,nice
%O 0,3
%A John A. Wright.
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