A140088 Number of primes p such that n!-p is prime.

0, 0, 0, 1, 6, 24, 78, 368, 1902, 11062, 77426, 692414, 6261624, 68889928, 764874856, 9274470290

Offset: 0

Author

Leroy Quet and others, May 02 2008

Keywords

• nonn

Comments

Equals 2*A062311(n) except when n=3.

Crossrefs

Cf. A062311.

Extensions

a(14), a(15) from Hans Havermann, Dec 21 2008