Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^3 = I.
A162755
Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^3 = I.
Terms
- a(0) =1a(1) =9a(2) =72a(3) =540a(4) =4032a(5) =29988a(6) =223020a(7) =1658160a(8) =12328596a(9) =91662732a(10) =681510816a(11) =5067014148a(12) =37673118252a(13) =280098623952
External references
- oeis: A162755