[seqfan] Re: Contributing sequences with holes and infinities

[israel at math.ubc.ca]

Regarding 1: the procedure would be to have the Data include the entries 
before the hole, i.e. a(0) to a(3) in your example, and state a(8) and 
a(24) in a Comment.

Regarding 2: As Felix said, you should use a placeholder, typically -1 in a 
case of "the number of". See e.g. A215418.

Cheers,
Robert

On Jun 17 2016, Christian Stump wrote:

>Hi,
>
>I wonder whether it is okay to submit a sequence
>
>1. with holes: an example would be a sequence related to the packing
>problem which is now solved in dimensions 0,1,2,3,8,24. So I wanted to
>add a sequence where only these entries are known.
>
>2. with infinity entries: an example would be the number of
>irreducible reflection groups of a given rank. This sequence is
>1,1,infinity,3,5,3,4,4,4,3,3,3,3,... .
>
>Please Ignore my ignorance, a link to the information would be
>appreciated, but i haven't found anything on the oeis website.
>
>Many thanks,
>
>    Christian
>
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>
>