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Ackermann Number -- from Wolfram MathWorld

A number of the form n^...^_()_(n)n, where Knuth up-arrow notation has been used. The first few Ackermann numbers are 1^1=1, 2^^2=4, and 3^^^3=3^(3^(·^(·^(·^3))))_()_(7625597484987).



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Ackermann Number -- from Wolfram MathWorld

https://mathworld.wolfram.com/AckermannNumber.html

A number of the form n^...^_()_(n)n, where Knuth up-arrow notation has been used. The first few Ackermann numbers are 1^1=1, 2^^2=4, and 3^^^3=3^(3^(·^(·^(·^3))))_()_(7625597484987).



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https://mathworld.wolfram.com/AckermannNumber.html

Ackermann Number -- from Wolfram MathWorld

A number of the form n^...^_()_(n)n, where Knuth up-arrow notation has been used. The first few Ackermann numbers are 1^1=1, 2^^2=4, and 3^^^3=3^(3^(·^(·^(·^3))))_()_(7625597484987).

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      Ackermann Number -- from Wolfram MathWorld
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      Ackermann Number
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      A number of the form n^...^_()_(n)n, where Knuth up-arrow notation has been used. The first few Ackermann numbers are 1^1=1, 2^^2=4, and 3^^^3=3^(3^(·^(·^(·^3))))_()_(7625597484987).
    • description
      A number of the form n^...^_()_(n)n, where Knuth up-arrow notation has been used. The first few Ackermann numbers are 1^1=1, 2^^2=4, and 3^^^3=3^(3^(·^(·^(·^3))))_()_(7625597484987).

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      Ackermann Number -- from Wolfram MathWorld
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      A number of the form n^...^_()_(n)n, where Knuth up-arrow notation has been used. The first few Ackermann numbers are 1^1=1, 2^^2=4, and 3^^^3=3^(3^(·^(·^(·^3))))_()_(7625597484987).

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      Ackermann Number -- from Wolfram MathWorld
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      A number of the form n^...^_()_(n)n, where Knuth up-arrow notation has been used. The first few Ackermann numbers are 1^1=1, 2^^2=4, and 3^^^3=3^(3^(·^(·^(·^3))))_()_(7625597484987).
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