A059685 Number of split interval orders on n points.

1, 2, 5, 16, 63, 315, 1979, 15576, 151606

Offset

1,2

Links

Table of n, a(n) for n=1..9.

Kathrin Bringmann, Yingkun Li, and Robert C. Rhoades, Asymptotics for the number of row-Fishburn matrices, European Journal of Combinatorics, vol.41, pp.183-196, (October-2014); preprint.

J. A. Reeds and P. C. Fishburn, Counting split interval orders, Order, Vol. 18, No. 2, 2001, pp. 129-135.

Crossrefs

Cf. A059685, A058259.

Sequence in context: A344640 A345673 A079566 * A000112 A205498 A379082

Adjacent sequences: A059682 A059683 A059684 * A059686 A059687 A059688

Keyword

nonn,more

Author

N. J. A. Sloane, Feb 05 2001

Status

approved