Number of reduced words of length n in Coxeter group on 33 generators S_i with relations (S_i)^2 = (S_i S_j)^9 = I.
1, 33, 1056, 33792, 1081344, 34603008, 1107296256, 35433480192
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Sat Oct 24 18:22:56 CEST 2009 [seqfan] A165645 and A091868 merger?