2343600domain: NAppears in sequencesa(n) = Sum_{m=1..n-1} floor(m(n-2)/2)^2.at n=32A125849Number of reduced words of length n in Coxeter group on 6 generators S_i with relations (S_i)^2 = (S_i S_j)^8 = I.at n=9A164741Numbers such that the product of divisors of n is divisible by the product of divisors of sigma(n).at n=7A219363