Number of reduced words of length n in Coxeter group on 12 generators S_i with relations (S_i)^2 = (S_i S_j)^5 = I.
A163432
Number of reduced words of length n in Coxeter group on 12 generators S_i with relations (S_i)^2 = (S_i S_j)^5 = I.
Terms
- a(0) =1a(1) =12a(2) =132a(3) =1452a(4) =15972a(5) =175626a(6) =1931160a(7) =21234840a(8) =233496120a(9) =2567499000a(10) =28231951770a(11) =310435603500
External references
- oeis: A163432