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References to 'Catalan numbers'
1. central binomial coefficient by rspuzio
2. Dyck language by CWoo
3. examples of simple recurrence relations by PrimeFan
4. forty-two by CompositeFan
5. general associativity by pahio
6. generating function for the Catalan numbers by rm50
7. generating function for the reciprocal Catalan numbers by juanman
8. lattice paths and ballot numbers by rm50
9. list of overloaded symbols by PrimeFan
10. Richard Stanley by PrimeFan
11. things counted by the Catalan numbers by rm50