145775

Appears in sequences

• Numerator of Product_{2 <= p < 2*n} (2*n - p)/p.at n=26A084762
• Negative value of coefficient of x^(n-2) in the characteristic polynomial of a certain n X n integer circulant matrix.at n=33A127407
• Positive numbers y such that y^2 is of the form x^2+(x+2401)^2 with integer x.at n=26A157247
• Number of n X 7 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 0 1 and 1 0 1 vertically.at n=5A209649
• Number of 6Xn 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 0 1 and 1 0 1 vertically.at n=6A209653