[seqfan] Re: Two neighboring digits sum up to a prime

Hans Havermann gladhobo at teksavvy.com
Fri Apr 27 20:38:21 CEST 2012

Maximilian Hasler:

> I wonder whether it makes sense to create the "new S" for any subset
> of {0...18} which yields a nontrivial result....
> But why not, after all this will yield a finite and relatively small
> number of additional sequences...

Aren't there a total of 524287 subsets? Do we know that most of these  
are trivial?

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