Number of reduced words of length n in Coxeter group on 45 generators S_i with relations (S_i)^2 = (S_i S_j)^18 = I.
A168770
Number of reduced words of length n in Coxeter group on 45 generators S_i with relations (S_i)^2 = (S_i S_j)^18 = I.
Terms
- a(0) =1a(1) =45a(2) =1980a(3) =87120a(4) =3833280a(5) =168664320a(6) =7421230080a(7) =326534123520
External references
- oeis: A168770