53209

Appears in sequences

• Rounded volume of a regular icosahedron with edge length n.at n=29A071402
• Scale factor by which primitive Pythagorean triangle {x=A088509(n), y=A088510(n), z=A088511(n)} needs be enlarged in order to circumscribe the smallest integral square having a side on the hypotenuse.at n=36A088544
• Number of ways to connect with nonintersecting chords n unlabeled points equally spaced on a circle such that the resulting configuration is not invariant w.r.t. rotation any angle < 2*Pi.at n=15A175955
• Number of permutations of 1..n+5 with the number moved left exceeding the number moved right by n.at n=7A179572