Number of reduced words of length n in Coxeter group on 27 generators S_i with relations (S_i)^2 = (S_i S_j)^3 = I.
A162827
Number of reduced words of length n in Coxeter group on 27 generators S_i with relations (S_i)^2 = (S_i S_j)^3 = I.
Terms
- a(0) =1a(1) =27a(2) =702a(3) =17901a(4) =456300a(5) =11626875a(6) =296261550a(7) =7548913125a(8) =192350632500
External references
- oeis: A162827