41 and more Ulam's Spiral - Numberphile

More on prime numbers and Ulam's Spiral - this time focusing on 41 and Arthur C. Clarke.
More links & stuff in full description below ↓↓↓

This video features Dr James Clewett. More Clewett videos at: http://bit.ly/JamesClewett

See our other Ulam Spiral video at: http://youtu.be/iFuR97YcSLM
And more to come soon...

The book discussed is The Garden of Rama.

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Видео 41 and more Ulam's Spiral - Numberphile канала Numberphile