Number of reduced words of length n in Coxeter group on 15 generators S_i with relations (S_i)^2 = (S_i S_j)^6 = I.

A163962

Number of reduced words of length n in Coxeter group on 15 generators S_i with relations (S_i)^2 = (S_i S_j)^6 = I.

Terms

    a(0) =1a(1) =15a(2) =210a(3) =2940a(4) =41160a(5) =576240a(6) =8067255a(7) =112940100a(8) =1581140925a(9) =22135686300a(10) =309895595100

External references