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Narayana Numbers
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
SNAPSHOTS
RELATED LINKS
Catalan Number
(
Wolfram
MathWorld
)
PERMANENT CITATION
"
Narayana Numbers
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/NarayanaNumbers/
Contributed by:
Robert Dickau
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