Sam Loyd
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What links here
Recreational mathematics
Recreation
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Pi Day
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Palindrome
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Pentomino
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Mathematical game
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Martin Gardner
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Mathematics
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List of deists
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John Horton Conway
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Diophantine equation
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Donald Knuth
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Palindromic number
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Logic puzzle
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Lyapunov fractal
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Polyomino
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Ulam spiral
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Concatenation
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Mrs. Miniver's problem
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Raymond Smullyan
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Magic square
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Limerick (poetry)
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