A112854 Primes of the form (2*n)!/n!-1.

11, 665279, 3497296636753919999, 1960781468160819415703172080467967999999

Offset: 1

Author

Hugo Pfoertner, Sep 25 2005

Keywords

• nonn

Comments

Next term (2*114)!/114!-1 has 254 decimal digits.

Crossrefs

A112853 gives n such that (2*n)!/n!-1 is prime, A112856 gives primes of the form (2*n)!/n!+1.