login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
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). 0

%I

%S 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,

%T 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,

%U 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

%N 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).

%C The array has 120 rows.

%H Mark Goresky, <a href="http://www.math.ias.edu/~goresky/tables.html">TABLES OF KAZHDAN-LUSZTIG POLYNOMIALS</a>

%e Array begins:

%e 1

%e 1 1

%e 1 1

%e 1 1

%e 1 2 1

%e 1 2 1

%e 1 2 1

%e 1 2 1

%e 1 2 1

%Y Cf. A115570-A115583.

%K nonn,fini,tabf

%O 1,9

%A _Roger L. Bagula_, Mar 04 2006

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 29 12:47 EDT 2021. Contains 346346 sequences. (Running on oeis4.)