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searching for Ulam spiral 2 found (21 total)

Laurence Monroe Klauber (1,267 words) [view diff] case mismatch in snippet view article find links to article

lines of primes in the Klauber triangle meet at 60° angles, while in an Ulam Spiral, they meet at 90° angles. Klauber's interest in mathematics—and the extensive

Polygonal number (1,061 words) [view diff] case mismatch in snippet view article find links to article

between 1 and 1000 clickable for 2<=s<=337 Polygonal Numbers on the Ulam Spiral grid on YouTube Polygonal Number Counting Function: http://www.mathisfunforum