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  1. Pascal's triangle - Wikipedia

  2. The Sierpinski Triangle - Math is Fun

  3. Sierpinski Triangle - zeuscat.com

  4. Sierpinski Gasket and Tower of Hanoi - Alexander Bogomolny

  5. Sierpiński Sieve -- from Wolfram MathWorld

  6. Top 10 Secrets of Pascal’s Triangle | by Brett Berry - Medium

  7. Pascal's Triangle - What It Is and How to Use It - Science Notes …

  8. combinatorics - Pascal Triangle Vs Sierpinski Triangle