1092672

Appears in sequences

• Number of 4-voter voting schemes with n linearly ranked choices.at n=13A007010
• E.g.f. satisfies: A(x) = x + tan( A(x) )^2 with A(0)=0.at n=6A201561
• Number of edges formed in a square by straight line segments when connecting the n-1 points between each corner that divide each edge into n equal parts to the n-1 points on the edge on the opposite side of the square.at n=26A355800