Pentacontagon

A 50-sided Polygon.

• Otter's Tree Enumeration Constants
• Outdegree
• Outer Automorphism Group
• Outer Product
• Oval
• Oval of Descartes
• Ovals of Cassini
• Overlapping Resonance Method
• Oversampling
• Ovoid
• Paasche's Index
• Packing
• Packing Density
• p-adic Number
• Padovan Sequence
• Padé Approximant
• Padé Conjecture
• Painlevé Property
• Painlevé Transcendents
• Pair
• Paired t-Test
• Pair Sum
• Paley Class
• Paley Construction
• Paley's Theorem