Combinations with repetitions/Square digit chain: Difference between revisions

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The purpose of this task is to combine these tasks as follows:
:The setsets of thingsk from which kitems will be taken isfrom [0,1,4,9,16,25,36,49,64,81] and must be obtained using code from [[Combinations with repetitions]]
:For each set of k items determine if it translates to 1 using the rules from [[Iterated digits squaring]]
:For each set which translates to 1 determine the number of different ways, c say, in which the k items can be uniquely ordered