diagonal lines alternate between odd and even numbers, therefore all the primes lie along diagonal lines
Huh? If you draw the Ulam spiral on a checkerboard, all odd numbers end up on squares of one color and all even numbers of squares of the other color, but that is neither necessary nor sufficient to get those diagonal streaks in the picture.
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diagonal lines alternate between odd and even numbers, therefore all the primes lie along diagonal lines
Huh? If you draw the Ulam spiral on a checkerboard, all odd numbers end up on squares of one color and all even numbers of squares of the other color, but that is neither necessary nor sufficient to get those diagonal streaks in the picture.