%I A059685
%S A059685 1,2,5,16,63,315,1979,15576,151606
%N A059685 Split interval orders on n points.
%D A059685 J. A. Reeds and P. C. Fishburn, Counting split interval orders, Order, 
               Vol. 18, No. 2, 2001, pp. 129-135.
%Y A059685 Cf. A059685, A058259.
%Y A059685 Sequence in context: A136127 A111004 A079566 this_sequence A000112 A127083 
               A131178
%Y A059685 Adjacent sequences: A059682 A059683 A059684 this_sequence A059686 A059687 
               A059688
%K A059685 nonn
%O A059685 1,2
%A A059685 N. J. A. Sloane (njas(AT)research.att.com), Feb 05 2001