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Hello there.

This is Numberphile. We mainly post videos about mathematics and just numbers in general.

Knight's Tour

Knight's Tour

The knight's tour and magic knight's tour.

The first magic tour has an error (my fault in animation) with 62 and 64 transposed....
See here: http://periodicvideos.blogspot.co.uk/2014/01/oops.html

Brown papers: http://bit.ly/brownpapers

Some good knight's tour links:
Great overview by Ben Hill and Kevin Tostado: http://bit.ly/1hYHoLE
Notes and huge resource by George Jelliss: http://bit.ly/1kCGGWp
Paper on using "ants" to find knight's tours: http://bit.ly/1cqxcUd
Good stuff on Magic Knight's Tours: http://bit.ly/1apxScE
On the number of knight's tours: http://bit.ly/Lj4NKh

Why do people hate mathematics?

Why do people hate mathematics?

ASTOUNDING: 1 + 2 + 3 + 4 + 5 + ... = -1/12

ASTOUNDING: 1 + 2 + 3 + 4 + 5 + ... = -1/12