A115577 Array read by rows: row n (>= 1) gives the Betti numbers for the n-th element of the Weyl group of type H3 (in Goresky's standard ordering).

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, 3, 3, 1, 1, 3, 3, 1, 1, 2, 2, 1, 1, 3, 3, 1, 1, 2, 2, 1, 1, 3, 4, 3, 1, 1, 3, 4, 3, 1, 1, 3, 4, 3, 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, 2, 2, 2, 1, 1, 3, 5, 5

Offset

1,9

Comments

The array has 120 rows.

Links

Table of n, a(n) for n=1..99.

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.

Sequence in context: A115580 A115583 A115574 * A115570 A069288 A152831

Adjacent sequences: A115574 A115575 A115576 * A115578 A115579 A115580

Keyword

nonn,fini,tabf

Author

Roger L. Bagula, Mar 04 2006

Status

approved