A112862 - OEIS

A112862

Primes of the form (2*k)!/(2*(k!)^2)-1.

2, 461, 92377, 269128937219, 51913710643776705684835559, 3017467217880703353213932318284163999

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OFFSET

1,1

COMMENTS

The next term (2*306)!/(2*(306!)^2)-1 has 183 decimal digits.

LINKS

MATHEMATICA

Select[Table[(2n)!/(2(n!)^2)-1, {n, 70}], PrimeQ] (* James C. McMahon, Jun 13 2024 *)

CROSSREFS

KEYWORD

nonn

AUTHOR

STATUS

approved