[seqfan] Re: a(n) = number of terms of n-th finite OEIS sequence
israel at math.ubc.ca
israel at math.ubc.ca
Mon Dec 12 00:08:33 CET 2016
In a search for keyword fini, the first three results (sorted by number)
are A000053, A000054 and A000797. The first two are OK (at least until New
York changes the IRT #1 and A line subway stops), but finiteness of A000797
is an open problem.
Cheers,
Robert
On Dec 11 2016, Felix FrÃ¶hlich wrote:
>Dear Sequence fans
>
>The OEIS already contains several sequences counting something in n-th OEIS
>sequence or giving A-numbers of sequences with a specific property. I found
>the following sequences of this type: A039928, A053169, A051070, A053873,
>A091967, A107357, A102288, A100543, A100544, A111198, A111157, A250219,
>A250221.
>
>So here is another idea for such a sequence:
>
>Number of terms of n-th finite integer sequence in the OEIS.
>
>Several questions: Would that sequence be acceptable? Are there enough
>initial known terms so that the sequence can be added?
>
>Best regards
>Felix
>
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>Seqfan Mailing list - http://list.seqfan.eu/
>
>
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