

A063858


Triangle T(n,k) (n >= 2, k = 0..n2) giving number of abstract dissection types of configurations of n points in nk dimensions.


6



1, 1, 3, 1, 5, 8, 1, 7, 27, 46, 1, 9, 71, 1063, 790, 1, 11, 156, 44956, 1434219, 37829, 1, 13, 325
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

2,3


LINKS

Table of n, a(n) for n=2..25.
L. Finschi, Homepage of Oriented Matroids
L. Finschi and K. Fukuda, Complete combinatorial generation of small point set configurations and hyperplane arrangements, pp. 97100 in Abstracts 13th Canadian Conference on Computational Geometry (CCCG '01), Waterloo, Aug. 1315, 2001.


EXAMPLE

1; 1,3; 1,5,8; 1,7,27,46; ...


CROSSREFS

Diagonals give A063859, A063860, A063861, A246992, A246993. Row sums give A063862.
Sequence in context: A210741 A208760 A116647 * A209831 A284367 A280328
Adjacent sequences: A063855 A063856 A063857 * A063859 A063860 A063861


KEYWORD

nonn,tabl,nice


AUTHOR

N. J. A. Sloane, Aug 26 2001


STATUS

approved



