Number of reduced words of length n in Coxeter group on 42 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.
A163225
Number of reduced words of length n in Coxeter group on 42 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.
Terms
- a(0) =1a(1) =42a(2) =1722a(3) =70602a(4) =2893821a(5) =118611360a(6) =4861619280a(7) =199267084800
External references
- oeis: A163225