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Repeating Decimals
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Scrambled Sort
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Emirp Numbers (Long)
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Forsyth–Edwards Notation
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Farey Sequence
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𝑒
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Tic-tac-toe
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Musical Chords
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Odious Numbers
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Set
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Happy Numbers (Long)
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Seven Segment
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Hexdump
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Look and Say
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γ
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Prime Numbers
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Van Eck Sequence
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Fibonacci
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Niven Numbers (Long)
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Abundant Numbers (Long)
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Kolakoski Sequence
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ln 2
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