Symbolic catalan number

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Symbolic catalan number #22028

Open pelegm opened 7 years ago

pelegm commented 7 years ago

catalan_number should be able to accept a symbolic argument, just like harmonic_number and binomial (for example).

This effectively means making catalan_number a symbolic function.

Component: symbolics

Keywords: catalan

Issue created by migration from https://trac.sagemath.org/ticket/22028

rwst commented 7 years ago

Description changed:

--- 
+++ 
@@ -1 +1,3 @@
 `catalan_number` should be able to accept a symbolic argument, just like `harmonic_number` and `binomial` (for example).
+
+This effectively means making `catalan_number` a symbolic function.