Number of reduced words of length n in Coxeter group on 12 generators S_i with relations (S_i)^2 = (S_i S_j)^6 = I.
A163957
Number of reduced words of length n in Coxeter group on 12 generators S_i with relations (S_i)^2 = (S_i S_j)^6 = I.
Terms
- a(0) =1a(1) =12a(2) =132a(3) =1452a(4) =15972a(5) =175692a(6) =1932546a(7) =21257280a(8) =233822160a(9) =2571956640a(10) =28290564720a(11) =311185670400
External references
- oeis: A163957