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Ultrafactorial

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The function defined by U(n)=(n!)^(n!). The values for n=0, 1, ..., are 1, 1, 4, 46656, 1333735776850284124449081472843776, ... (OEIS A046882).

See also

Factorial, Ultraprimorial

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References

Sloane, N. J. A. Sequence A046882 in "The On-Line Encyclopedia of Integer Sequences."

Referenced on Wolfram|Alpha

Ultrafactorial

Cite this as:

Weisstein, Eric W. "Ultrafactorial." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Ultrafactorial.html

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