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%I #7 Apr 14 2023 09:45:29
%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 1,2,2,1,1,3,3,1,1,2,2,1,1,3,3,1,1,2,2,2,1,1,3,4,3,1,1,3,4,3,1,1,3,4,
%U 3,1,1,2,2,2,1,1,3,4,3,1,1,3,5,4,1,1,3,4,3,1,1,3,4,3,1,1,2,2,2
%N Array read by rows: row n (>= 1) gives the Betti numbers for the n-th element of the affine Weyl group of type G2_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>
%H <a href="/index/Gre#groups">Index entries for sequences related to groups</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-A115582.
%K nonn,tabf
%O 1,9
%A _Roger L. Bagula_, Mar 04 2006
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