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CHAPTER PACE 1 Friendly Numbers and Others
From Paradox to Parastichy
11 other sections not shown
12 pentominoes alphametic ANSWERS FOR CHAPTER appear arithmetical series array birthday bisect black counter black squares Bude cells cents checkerboard chords coins color common factor construction corresponding cover cubes diagonal digits Dill dimes diophantine equations Diophantos divisor dollars dominoes ends equation x2 example Fibonacci series formula four Golden Section Graeco-Latin squares hence IBAC infinite number integers integral solutions known prime kuks Latin squares line segment magic constant mathematicians Mersenne primes method Mobius band monomino multiple non-zero solution obviously paper Paperbound Pell equation permutations phyllotaxis polyominoes possible primary numbers prime number probability problem proof puzzles ratio recreational mathematics rectangle remaining required solution rings Root Numbers rows shown in Figure shows smallest solving straight trominoes string strip successive pairs tabulation TEASER Terence Reese term tetromino theorem tion topological triangle tricks values whence zero