Number of reduced words of length n in Coxeter group on 6 generators S_i with relations (S_i)^2 = (S_i S_j)^6 = I.

A163922

Number of reduced words of length n in Coxeter group on 6 generators S_i with relations (S_i)^2 = (S_i S_j)^6 = I.

Terms

    a(0) =1a(1) =6a(2) =30a(3) =150a(4) =750a(5) =3750a(6) =18735a(7) =93600a(8) =467640a(9) =2336400a(10) =11673000a(11) =58320000a(12) =291375210a(13) =1455753000a(14) =7273154040a(15) =36337737000a(16) =181548627000a(17) =907043385000

External references