1,2

Next term is > 10000.

Cf. A112856 primes of the form (2*n)!/n!+1, A112853 (2*n)!/n!-1 is prime, A066726 (2*n)!/(n!)^2-1 is prime, A112859 (2*n)!/(n!)^2+1 is prime, A112861 (2*n)!/(2*(n!)^2)-1 is prime, A112863 (2*n)!/(2*(n!)^2)+1 is prime.

Adjacent sequences: A112852 A112853 A112854 this_sequence A112856 A112857 A112858

Sequence in context: A116953 A099516 A099963 this_sequence A049937 A026754 A032170

hard,nonn

Hugo Pfoertner (hugo(AT)pfoertner.org), Sep 25 2005