Barbier's Theorem

Explore with Wolfram|Alpha

More things to try:

• atriphtaloid
• 2 * 4 * 6 * ... * 36
• characteristic polynomial {{4,1},{2,-1}}

Cite this as:

Weisstein, Eric W. "Barbier's Theorem." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/BarbiersTheorem.html

Subject classifications