15760900

Appears in sequences

• Number of 5Xn 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically.at n=17A207754
• a(n) = sin( arcsin(n)- 2*arccos(n) )^2.at n=10A239608