We can write a computer program that will successively print out the digits of the decimal expansion of Pi. We...

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## Greedy to Avoid Progressions

An arithmetic progression is a sequence of 3 or more integers whose terms differ by a constant, e.g., 20, 23, 26, 29...

Continue reading...## Four Fours Problem

Here’s a challenge that you may wish to try: can you express all the numbers from 1 to 100 using...

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