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$\left( k, n \right)$ symmetry?

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#combinatorics #bell-numbers #fubini-tonelli-theorems
554
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Formula for computing the coefficients of Bell polynomial

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#polynomials #set-partition #stirling-numbers #bell-numbers
379
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generating function for Bell polynomial

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#stirling-numbers #bell-numbers
109
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New wrong recurrence formula for Bell numbers

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#combinatorics #discrete-mathematics #binomial-coefficients #equivalence-relations #bell-numbers
116
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Number of preorder relations on a set related to the open problem about preorder relations

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#combinatorics #discrete-mathematics #binomial-coefficients #equivalence-relations #bell-numbers
286
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Combinatorial proof for Touchard's congruence

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#combinatorics #induction #combinatorial-proofs #stirling-numbers #bell-numbers
110
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Dividing 12 people into any number of groups, such that person A and B are not in the same group?

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#combinatorics #set-partition #stirling-numbers #bell-numbers
87
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On the ratio $\frac{F_n}{B_n}$

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#limits #fibonacci-numbers #bell-numbers
168
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Prove $B_n\le n! $ for Bell numbers

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#induction #bell-numbers
995
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Can you help with this proof that the $n$-th Bell number is bounded by $n!$ for all natural numbers $n$?

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#sequences-and-series #combinatorics #statistics #inequality #bell-numbers
481
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Interesting ways to show that there are infinitely many equivalence relations on an infinite set (including Bell numbers).

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#real-analysis #combinatorics #elementary-set-theory #equivalence-relations #bell-numbers
169
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An approximation of the ordered Bell numbers

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#combinatorics #generating-functions #stirling-numbers #bell-numbers
761
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Proof Bell-Number $B(n)=\sum_{k=0}^{n-1}\binom{n-1}{k}B(k)$

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#combinatorics #discrete-mathematics #bell-numbers
77
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Is the number of sub-boolean algebra of a set with size n , Bell(n)?

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#combinatorics #number-theory #discrete-mathematics #boolean-algebra #bell-numbers
81
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Literature on bounds of Fubini's numbers

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#combinatorics #number-theory #reference-request #bell-numbers

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