Number of reduced words of length n in Coxeter group on 18 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.
A163104
Number of reduced words of length n in Coxeter group on 18 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.
Terms
- a(0) =1a(1) =18a(2) =306a(3) =5202a(4) =88281a(5) =1498176a(6) =25424928a(7) =431474688a(8) =7322358456a(9) =124264377216
External references
- oeis: A163104