List questions from catalan-numbers

Published on 24 Nov 2013 - 19:51

503

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Catalan number basic question - combinatorics

Published on 26 Nov 2013 - 18:52

1.8k

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Catalan numbers - number of ways to stack coins

Published on 01 Dec 2013 - 10:59

2.4k

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Catalan Numbers: lattice paths with n+1 steps

Published on 04 Dec 2013 - 5:53

433

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Recurrence $(n+2)\text{Cat}_{n+1}=(4n+2)\text{Cat}_n$ for non-crossing matchings

Published on 01 Jan 2014 - 17:52

527

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Finding relatives of the series $\varphi =\frac{3}{2}+\sum_{k=0}^{\infty}(-1)^{k}\frac{(2k)!}{(k+1)!k!2^{4k+3}}$.

Published on 27 Mar 2026 - 5:03

1.9k

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Catalan Numbers Staircase bijection

Published on 25 Jan 2014 - 21:58

351

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Catalan numbers, Condition that $\sum_{k=1}^n c_k=1 \mod 3$ using Lucas theorem

Published on 01 Feb 2014 - 18:22

3.3k

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Ways to color an octagon's vertices with three colors?

Published on 26 Mar 2026 - 17:35

197

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Combinatorics - Possibly catalan number question

Published on 07 Feb 2014 - 18:27

2k

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Number of ways to parenthesize to yield an infix expression?

Published on 22 Apr 2017 - 14:01

104

Views

Labouchère system counting possible sequences of W\L given the number of plays $n$

Published on 30 Apr 2017 - 14:02

744

Views

Counting Balanced Sequences

Published on 01 May 2017 - 1:45

103

Views

Counting crossings

Published on 29 Mar 2026 - 0:26

105

Views

Probability distribution whose moments are 2n choose n

Published on 16 Jun 2017 - 1:42

List Question

A self-convolution formula that counts bracket expressions

Catalan number basic question - combinatorics

Catalan numbers - number of ways to stack coins

Catalan Numbers: lattice paths with n+1 steps

Recurrence $(n+2)\text{Cat}_{n+1}=(4n+2)\text{Cat}_n$ for non-crossing matchings

Finding relatives of the series $\varphi =\frac{3}{2}+\sum_{k=0}^{\infty}(-1)^{k}\frac{(2k)!}{(k+1)!k!2^{4k+3}}$.

Catalan Numbers Staircase bijection

Catalan numbers, Condition that $\sum_{k=1}^n c_k=1 \mod 3$ using Lucas theorem

Ways to color an octagon's vertices with three colors?

Combinatorics - Possibly catalan number question

Number of ways to parenthesize to yield an infix expression?

Labouchère system counting possible sequences of W\L given the number of plays $n$

Counting Balanced Sequences

Counting crossings

Probability distribution whose moments are 2n choose n

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