11 lines
319 B
Plaintext
11 lines
319 B
Plaintext
next[n_Integer] := If[EvenQ@n, Floor[Sqrt[n]], Floor[n^(3/2)]]
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stats[n_Integer] :=
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Block[{data = Most@NestWhileList[next, n, # > 1 &], mx},
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mx = First@Ordering[data, -1];
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{n, Length[data], data[[mx]], mx - 1}]
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{TableForm[Table[stats@n, {n, 20, 39}],
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TableHeadings -> {None, {"n", "length", "max", "max pos"}}]
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