Number of reduced words of length n in Coxeter group on 39 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.
A163222
Number of reduced words of length n in Coxeter group on 39 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.
Terms
- a(0) =1a(1) =39a(2) =1482a(3) =56316a(4) =2139267a(5) =81263988a(6) =3086962281a(7) =117263934684
External references
- oeis: A163222