[seqfan] Re: Colorless integers

N. J. A. Sloane njas at research.att.com
Tue Feb 22 20:56:53 CET 2011

Start at n, let a(n) be the smallest number in the cycle if it
goes into a cycle, or -1 if it diverges. Is this sequence 
in the OEIS? and if not, you know what to do!

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