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

Terms

a(0) =0a(1) =0a(2) =0a(3) =1a(4) =6a(5) =24a(6) =78a(7) =368a(8) =1902a(9) =11062a(10) =77426a(11) =692414a(12) =6261624a(13) =68889928a(14) =764874856a(15) =9274470290