- Hike the steep Sycamore Access Trail on the northeast side of Squak Mountain. Enjoy the mixed forest and a few small streams. Continue farther on the East Ridge Trail and, optionally, extend your hike to make it an interesting loop across the higher slopes of Squak Mountain.
- Catalan number (Wikipedia)
In combinatorial mathematics, the Catalan numbers are a sequence of natural numbers that occur in various counting problems, often involving recursively defined objects. They are named after the French-Belgian mathematician Eugène Charles Catalan.
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