id:A115572 - 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 Weyl group of type A4 (in Goresky's standard ordering).

+0
1

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

	OFFSET	`1,11`
	COMMENT	`The array has 120 rows.`
	LINKS	`Mark Goresky, TABLES OF KAZHDAN-LUSZTIG POLYNOMIALS`
	EXAMPLE	`Array begins:` `1` `1 1` `1 1` `1 1` `1 1` `1 2 1` `1 2 1` `1 2 1` `1 2 1`
	CROSSREFS	`Cf. A115570-A115583.` `Sequence in context: A115575 A115581 A115576 this_sequence A152847 A131713 A152846` `Adjacent sequences: A115569 A115570 A115571 this_sequence A115573 A115574 A115575`
	KEYWORD	`nonn,fini,tabf`
	AUTHOR	`Roger L. Bagula, Mar 04 2006`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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