600318853926
domain: N
Appears in sequences
- Large Schröder numbers (or large Schroeder numbers, or big Schroeder numbers).at n=18A006318
- a(n) = a(1)*a(n-1) + a(2)*a(n-2) + ...+ a(n-2)*a(2) for n >= 3.at n=18A025240
- Expansion of (1 + x + sqrt(1 + 6*x + x^2))/2.at n=19A112478
- A bisection of A006318.at n=9A138462
- Expansion of (3 - x - sqrt(1 - 6*x + x^2))/2.at n=19A155069