49586

Appears in sequences

• Number of nX5 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 1 and 1 1 0 vertically.at n=6A207882
• Number of 7Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 1 and 1 1 0 vertically.at n=4A207889
• a(n) is the maximum value of the quartet index of a bifurcating rooted tree with n leaves.at n=41A300445