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A112862
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Primes of the form (2*k)!/(2*(k!)^2)-1.
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3
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OFFSET
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1,1
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COMMENTS
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The next term (2*306)!/(2*(306!)^2)-1 has 183 decimal digits.
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LINKS
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MATHEMATICA
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Select[Table[(2n)!/(2(n!)^2)-1, {n, 70}], PrimeQ] (* James C. McMahon, Jun 13 2024 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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