cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A112862 Primes of the form (2*k)!/(2*(k!)^2)-1.

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%I A112862 #13 Jun 13 2024 17:00:41
%S A112862 2,461,92377,269128937219,51913710643776705684835559,
%T A112862 3017467217880703353213932318284163999
%N A112862 Primes of the form (2*k)!/(2*(k!)^2)-1.
%C A112862 The next term (2*306)!/(2*(306!)^2)-1 has 183 decimal digits.
%t A112862 Select[Table[(2n)!/(2(n!)^2)-1, {n, 70}],PrimeQ] (* _James C. McMahon_, Jun 13 2024 *)
%Y A112862 Cf. A001700, A112861, A112864.
%K A112862 nonn
%O A112862 1,1
%A A112862 _Hugo Pfoertner_, Sep 30 2005