OEIS Prize Problems
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Ed Pegg
Jul 10, 2026, 3:59:23 PM (4 days ago) Jul 10
to SeqFan
This is a can of worms, I know.
I was looking at https://oeis.org/A089047 ... and it seems I was the last to make a big run on it.
For that and other hard problems, I'd like someone else to work on them.
What if I made a $100 prize .... and donated $200 to OEIS? Well, THAT problem is really, really hard to check. So, it's an inappropriate can of worms to foist off onto OEIS.
However ... there are a few hard OEIS sequences that are easy to check. Maybe those would be appropriate for prizes.
So, perhaps the rules would be:
1. Has to be hard to find ... but easy to check.
2. The prize grantor donates 2X to OEIS.
I was looking at https://oeis.org/A089047 ... and it seems I was the last to make a big run on it.
For that and other hard problems, I'd like someone else to work on them.
What if I made a $100 prize .... and donated $200 to OEIS? Well, THAT problem is really, really hard to check. So, it's an inappropriate can of worms to foist off onto OEIS.
However ... there are a few hard OEIS sequences that are easy to check. Maybe those would be appropriate for prizes.
So, perhaps the rules would be:
1. Has to be hard to find ... but easy to check.
2. The prize grantor donates 2X to OEIS.
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