86149

Appears in sequences

• Number of length n+1 0..2 arrays with the sum of the minimum of each adjacent pair multiplied by some arrangement of +-1 equal to zero.at n=9A250413
• Number of length n+1 0..2 arrays with the sum of the maximum of each adjacent pair multiplied by some arrangement of +-1 equal to zero.at n=9A250640
• Triangle read by rows: T(n,k) is the number of coalescent histories for an n-leaf caterpillar species tree and an identically labeled k-pseudocaterpillar gene tree, 3 <= k <= n.at n=49A380766
• Triangle read by rows: T(n,k) is the number of coalescent histories for an n-leaf caterpillar species tree and an identically labeled k-pseudocaterpillar gene tree, 3 <= k <= n.at n=50A380766