Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^8 = I.
A164777
Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^8 = I.
Terms
- a(0) =1a(1) =9a(2) =72a(3) =576a(4) =4608a(5) =36864a(6) =294912a(7) =2359296a(8) =18874332a(9) =150994368a(10) =1207952676a(11) =9663603264a(12) =77308680960a(13) =618468286464
External references
- oeis: A164777