[seqfan] Re: Sequence with a strange for OEIS conjecture
franktaw at netscape.net
franktaw at netscape.net
Tue Sep 27 18:41:34 CEST 2011
I don't know that that's true. I think it's just that such sequences
are relatively rare; usually, you can either find a non-integer value
or prove that all terms are integers fairly easily.
Franklin T. Adams-Watters
-----Original Message-----
From: D. S. McNeil <dsm054 at gmail.com>
> A year ago, I introduced into OEIS sequence A174531, defined by a
recursion,
with a strange for OEIS conjecture: all terms of this sequence are
integers. I
wonder
> 1) whether exist other sequences in OEIS with such a strange for OEIS
conjecture?
One reason it's a little unusual is because in general sequences that
aren't known to be integral are disfavoured. (Yes, there are a fair
number of exceptions, and we can always rescue them by the usual "or
some-number-if-not-integral" or "integral terms generated by.."
tricks, but still.)
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