Schröder Numbers and Combinatorial Sequences

Casual Mode - Take your time!

1 / 8
✓
Correct
0
✗
Incorrect
0
★
Score
0%
Multiple Choice

What is the general formula for the Schröder number (S_n)?

  1. \(S_n = \frac{1}{n+1}\binom{2n}{n}\)
  2. \(S_n = \frac{1}{n}\binom{2n+1}{n}\)
  3. \(S_n = \frac{1}{n+2}\binom{2n+2}{n}\)
  4. \(S_n = \frac{1}{n-1}\binom{2n-1}{n}\)
Change Mode