References to A031346

Multiplicative persistence: number of iterations of "multiply digits" needed to reach a number < 10.
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 1, 1, 1


2 seqfan posts

Wed Apr 1 21:05:52 CEST 2009    [seqfan] Re: Base sequences like A067581, suggestion: Go Factorial!
Wed Apr 1 20:55:27 CEST 2009    [seqfan] Re: Base sequences like A067581, suggestion: Go Factorial!

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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