A formula for the generalized Catalan number . The general formula is
where is a binomial coefficient, although Jonah's original formula corresponded to , (Hilton and Pederson 1991).
A formula for the generalized Catalan number . The general formula is
where is a binomial coefficient, although Jonah's original formula corresponded to , (Hilton and Pederson 1991).
Weisstein, Eric W. "Jonah Formula." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/JonahFormula.html