2021 Mathematics Calendar Hints

Thank you for your interest in Mathematics 2021, Your Daily Epsilon of Math. Please contact us if you have any questions or comments. Thanks!

This hint page will be built up as people ask for hints.

Rebecca Rapoport and Dean Chung

There are people offering hints, discussion, and solutions daily on Twitter.

This should have asked for a sequence of more than 2 consecutive positive integers.
There were some missing marks in the published calendar image. This image has them.

It's not too late to buy a copy!