579600

Appears in sequences

• a(n) = n*(n - 1)*(27*n^2 - 67*n + 74)*n!/24.at n=5A138783
• Number of reduced words of length n in Coxeter group on 10 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.at n=6A162983
• Regular triangle where T(n,k) is the number of pairs of set partitions of {1,...,n} with join {{1,...,n}} and meet of length k.at n=32A318390