Number of reduced words of length n in Coxeter group on 45 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.
A163231
Number of reduced words of length n in Coxeter group on 45 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.
Terms
- a(0) =1a(1) =45a(2) =1980a(3) =87120a(4) =3832290a(5) =168577200a(6) =7415481150a(7) =326196882000
External references
- oeis: A163231