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A009997 Comparative probability orderings on n elements arising from a probability distribution. Also (1/2^n n!) * number of regions of hyperplane arrangement with normals (0,1,-1)^n +0
2
1, 1, 2, 14, 516, 124187, 214580603 (list; graph; listen)
OFFSET

1,3

REFERENCES

T. Fine and J. Gill, Comparative probability relations, Ann. Prob. 4 (1976) 667-673.

D. Maclagan, Boolean Term Orders and the Root System B_n, Order 15 (1999), 279-295.

LINKS

D. Maclagan, [math/9809134] Boolean Term Orders and the Root System B_n

CROSSREFS

Cf. A005806.

Sequence in context: A102596 A050561 A135865 this_sequence A048137 A005806 A015184

Adjacent sequences: A009994 A009995 A009996 this_sequence A009998 A009999 A010000

KEYWORD

nonn,hard,nice

AUTHOR

njas

EXTENSIONS

a(6) and a(7) from Diane Maclagan and Michael Kleber (maclagan(AT)math.berkeley.edu, kleber(AT)brandeis.edu)

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Last modified September 5 01:44 EDT 2008. Contains 143476 sequences.


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