Narayana Numbers
Requires a Wolfram Notebook System
Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.
The Narayana numbers count the number of paths through a square lattice from to that take only steps northeast and southeast, never pass below the axis, and contain peaks. The sum of the Narayana numbers over is equal to the Catalan number .
Contributed by: Robert Dickau (March 2011)
Open content licensed under CC BY-NC-SA
Snapshots
Details
detailSectionParagraphPermanent Citation
"Narayana Numbers"
http://demonstrations.wolfram.com/NarayanaNumbers/
Wolfram Demonstrations Project
Published: March 7 2011