id:A115580 - OEIS Search Results

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Array read by rows: row n (>= 1) gives the Betti numbers for the n-th element of the affine Weyl group of type B2_tilde (in Goresky's standard ordering).

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1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 2, 1, 1, 3, 3, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 2, 2, 1, 1, 2, 2, 2, 1, 1, 3, 4, 3, 1, 1, 3, 5, 4, 1, 1, 3, 4, 3, 1, 1, 2, 2, 2, 1, 1, 3, 4, 3, 1, 1, 3, 4, 3, 1, 1, 3, 4, 3, 1, 1, 3, 4, 3, 1 (list; graph; listen)

	OFFSET	`1,9`
	COMMENT	`There are infinitely many rows.`
	LINKS	`Mark Goresky, TABLES OF KAZHDAN-LUSZTIG POLYNOMIALS`
	EXAMPLE	`Array begins:` `1` `1 1` `1 1` `1 1` `1 2 1` `1 2 1` `1 2 1` `1 2 1` `1 2 1`
	CROSSREFS	`Cf. A115570-A115583.` `Adjacent sequences: A115577 A115578 A115579 this_sequence A115581 A115582 A115583` `Sequence in context: A115572 A131713 A115571 this_sequence A115583 A115574 A115577`
	KEYWORD	`nonn,tabf`
	AUTHOR	`Roger L. Bagula, Mar 04 2006`

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Last modified October 13 18:37 EDT 2008. Contains 145008 sequences.

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