Number of reduced words of length n in Coxeter group on 20 generators S_i with relations (S_i)^2 = (S_i S_j)^24 = I.
A169033
Number of reduced words of length n in Coxeter group on 20 generators S_i with relations (S_i)^2 = (S_i S_j)^24 = I.
Terms
- a(0) =1a(1) =20a(2) =380a(3) =7220a(4) =137180a(5) =2606420a(6) =49521980a(7) =940917620a(8) =17877434780a(9) =339671260820
External references
- oeis: A169033