Uploaded March 2021 | Updated September 2026, 34 minutes ago

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We count the number of ways to parkour across a triangular parkour course. The result might surprise you at first, but once you think about it it's obvious.

More about the Catalan Numbers:
oeis.org/wiki/Combinatorial_interpretations_of_Catalan_numbers

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youtube.com/playlist?list=PLscpLh9rN1Rf-dqLO4r3GAwvm1O_xL7D1

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#minecraft, #education, #makemathfun, #math