129250

Appears in sequences

• Number of n element 1..n arrays with each element the minimum of 3 adjacent elements of a permutation of 1..n+2 of n+2 elements.at n=8A217886
• T(n,k) is the number of n element 1..n arrays with each element the minimum of k adjacent elements of a permutation of 1..n+k-1 of n+k-1 elements.at n=63A217891
• Smallest m, such that there are exactly n solutions of the equation (m+k)' = m' + k', where 1 <= k <= 2*m and x' = A003415(x), the arithmetic derivative of x.at n=19A258138
• Number of maximal irredundant sets in the n-pan graph.at n=29A291102