[seqfan] Re: Concatenate the sums of the neighboring digits
Hans Havermann
gladhobo at bell.net
Fri Nov 1 05:27:45 CET 2019
Note that whenever three or more 9s find themselves adjacent inside a number, these segments will reproduce every second generation and grow. Continuing your 5677 example:
...
786337
15149610
665131571
12116446128
3327108107310
6598189171041
11141799171088145
22558161810881816959
4710139779918169997151414
The last one has three adjacent 9s so the sequence will grow forever.
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