Mathematica > Combinatorial Functions >

CatalanNumber

CatalanNumber[n]
gives the n^(th) Catalan number C_n.
  • Catalan numbers are integers, and appear in various tree enumeration problems.
New in 6
© 2008 Wolfram Research, Inc. japanese.gif
Ask a question about this page  |  Suggest an improvement  |  Leave a message for the team