183709

Properties

Appears in sequences

• Number of 3 X n 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 0 vertically.at n=10A207306
• Schroeder triangle sums: a(n) = A006603(n+1) - A006318(n+1).at n=8A227504
• Prime numbersat n=16643