Unopened advent calendar at the link given. Big picture of iced Christmas biscuits with a series of numbered doors.
“It's nearly Christmas and something terrible has happened…”
Time for the famous @mscroggs.co.uk www.mscroggs.co.uk advent calendar! Good fun — but am I too busy, or will I keep it going this year? Only time will tell!
01.12.2025 07:56
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mscroggs.co.uk
It's nearly Christmas and something terrible has happened: there's been a major malfunction in multiple machines in Santa's toy factory, and not enough presents have been made. Santa has a backup ware...
If you like #Maths and puzzles... why not try the #Scroggs-Advent-Calendar... it's always fun to do... and there's a ravelry group... where we discuss tricky questions... and help each other our... www.ravelry.com/discuss/wool...
www.mscroggs.co.uk
01.12.2025 08:50
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There's also a nim style game you can play against the b(r)owser or another human on the same device.
nim-o-poly.pages.dev
The sequence to check out used in the competition is oeis.org/draft/A380990
24.11.2025 10:14
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Schinzel’s Theorem Revisited
Consider an infinite square lattice. Does there exist, for every positive integer n, a circle that passes through exactly n lattice points? Read my blog on discovering this lovely th…
I recently came across Schinzels theorem after exploring a puzzle problem that it directly addresses, and I felt it worthy of a blog.
This is my first ever blog, so I'm looking for as much critical feedback as possible (all re-posts welcome).
mathfuts.wordpress.com/2025/09/02/s...
05.09.2025 10:11
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For anyone who wants to play around with this idea of polyominoes limited by the number of collinear cells, then here's a little web page that supports such doodling.
playomino.pages.dev
30.04.2025 09:27
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For anyone who wants to play around with this idea of polyominoes limited by the number of collinear cells, then here's a little web page that supports such doodling.
playomino.pages.dev
30.04.2025 09:27
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No more* than three hexagon centers are on the same line.
(Maybe the OEIS author is @davebudd.bsky.social?)
26.04.2025 17:44
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Hi Peter, just joined Blue Sky thanks to Scroggs passing this post onto me. Thanks for sharing. The quest to unite all the Dave Budd's continues ...
28.04.2025 13:01
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