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%I #4 Mar 12 2014 16:41:38
%S 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,
%T 2,1,1,2,1,1,2,2,1,1,3,3,1,1,3,3,1,1,3,3,1,1,3,3,1,1,2,2,1,1,3,3,1,1,
%U 3,3,1,1,3,3,1,1,2,2,1,1,3,3,1,1,3,3,1,1,3,3,1,1,3,3,1,1,3,3,1
%N Array read by rows: row n (>= 1) gives the Betti numbers for the n-th element of the affine Weyl group of type A3_tilde (in Goresky's standard ordering).
%C There are infinitely many 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 1
%e 1 2 1
%e 1 2 1
%e 1 2 1
%e 1 2 1
%Y Cf. A115570-A115583.
%K nonn,tabf
%O 1,11
%A _Roger L. Bagula_, Mar 04 2006
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