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R4189

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Cardinality of power set of a finite set

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Cardinality of set complement

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Cardinality of set of permutations on finite set

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Cardinality of the set of injections between finite sets

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Cardinality of the set of maps between finite sets

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Number of boolean functions on a boolean cartesian product

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Number of boolean functions on a finite set

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Number of injections from a finite set to itself

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Number of injections is proportional to number of subsets of given size

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Set cardinality in terms of finite ambient set

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Total number of fixedlength sequences using a given number of labels
