We have quite a few problems on this site that deal with OEIS. We have tons of problems asking you to produce the nth term (or the first n terms), and we even have a problem specifically dealing with OEIS

I think that these problems are often quite interesting, and I could definitely see somebody searching/filtering by such problems.

However, I do see a disadvantage here. Let's say a problem is shown to match a sequence on OEIS, but the OP doesn't update his question. Do we:

  1. Automatically tag the question?
  2. If so, do we edit the question and add a link to the OEIS?
  3. If not, how does the potential searcher find which OEIS sequence it matches?

So, please vote below on what you guys think we should do.


2 Answers 2


No, let's not create an OEIS tag

It would cause more problems than it would solve.

  • 21
    \$\begingroup\$ +1 Not because it would cause problems, but we already have a more encompassing sequence tag, and I don't think we need to be more specific. (Although that tag wiki could use some love I guess) \$\endgroup\$
    – Geobits
    Commented Jul 9, 2015 at 12:51
  • \$\begingroup\$ @Geobits are you saying that any question that maps to an OEIS should be tagged with sequence? I don't really think my recent question codegolf.stackexchange.com/questions/52825/… should be tagged sequence, but maybe I'm wrong \$\endgroup\$ Commented Jul 9, 2015 at 13:02
  • 5
    \$\begingroup\$ I don't think that particular one should be tagged [oeis], either. It either is or isn't a sequence. If it is, you could tag it [sequence], and if it isn't, you shouldn't tag it [oeis]. But it's hard to argue that it should be tagged with a semi-related website's name dealing entirely with sequences, but not sequence itself. \$\endgroup\$
    – Geobits
    Commented Jul 9, 2015 at 13:05
  • \$\begingroup\$ The 'S' stands for "Sequences", so I agree with Geobits. \$\endgroup\$
    – mbomb007
    Commented Jul 15, 2015 at 21:53

Yes, let's create an OEIS tag

I think the tag would be useful.

  • 6
    \$\begingroup\$ -1, I don't think an OEIS tag would add any meaningful context to a challenge. \$\endgroup\$
    – Alex A.
    Commented Jul 9, 2015 at 16:59

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