83074

Appears in sequences

• Triangle read by rows: T(n,k) is the number of permutations of [n] with exactly k increasing runs of even length.at n=26A097592
• Number of n X n arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..1 n X n array.at n=4A217630
• Number of nX5 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..1 nX5 array.at n=4A217634
• T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..1 nXk array.at n=40A217637
• Number of permutations of [n] with exactly one increasing run of even length.at n=7A317281
• Number of k <= P(n) such that rad(k) | P(n), where rad(n) = A007947(n) and P(n) = A002110(n).at n=9A363061