3369600

Appears in sequences

• Triangle read by rows: T(n,k) is the number of ternary trees with n edges and having k vertices of outdegree 2 (n >= 0, k >= 0).at n=32A120982
• Number of permutations of {1,...,n} avoiding adjacent step pattern up, up, down, up, down, down.at n=10A177550
• Number of elements of order n in the Tits group TF4(2)'.at n=7A284952
• Number of permutations p of [n] avoiding consecutive odd sums i+p(i), (i+1)+p(i+1) for all i in [n-1].at n=11A285672