Book contents
- Frontmatter
- Preface
- Contents
- I Geometry
- II Number Theory and Graph Theory
- III Flexagons and Catalan Numbers
- 12 It's Okay to Be Square If You're a Flexagon
- 13 The V-flex, Triangle Orientation, and Catalan Numbers in Hexaflexagons
- 14 From Hexaflexagons to Edge Flexagons to Point Flexagons
- 15 Flexagons Lead to a Catalan Number Identity
- 16 Convergence of a Catalan Series
- IV Making Things Fit
- V Further Puzzles and Games
- VI Cards and Probability
- VII Other Aspects of Martin Gardner
- Index
- About the Editors
15 - Flexagons Lead to a Catalan Number Identity
from III - Flexagons and Catalan Numbers
- Frontmatter
- Preface
- Contents
- I Geometry
- II Number Theory and Graph Theory
- III Flexagons and Catalan Numbers
- 12 It's Okay to Be Square If You're a Flexagon
- 13 The V-flex, Triangle Orientation, and Catalan Numbers in Hexaflexagons
- 14 From Hexaflexagons to Edge Flexagons to Point Flexagons
- 15 Flexagons Lead to a Catalan Number Identity
- 16 Convergence of a Catalan Series
- IV Making Things Fit
- V Further Puzzles and Games
- VI Cards and Probability
- VII Other Aspects of Martin Gardner
- Index
- About the Editors
Summary
![Image of the first page of this content. For PDF version, please use the ‘Save PDF’ preceeding this image.'](https://static.cambridge.org/content/id/urn%3Acambridge.org%3Aid%3Abook%3A9781614448013/resource/name/firstPage-9781614448013c15_p113-118_CBO.jpg)
- Type
- Chapter
- Information
- Martin Gardner in the Twenty-First Century , pp. 113 - 118Publisher: Mathematical Association of AmericaPrint publication year: 2012