a(n) = smallest positive prime number of the form x^2 - n! (where x is a positive integer).

A143932

a(n) = smallest positive prime number of the form x^2 - n! (where x is a positive integer).

Terms

    a(0) =3a(1) =2a(2) =3a(3) =97a(4) =241a(5) =241a(6) =1201a(7) =3361a(8) =5569a(9) =61441a(10) =240769a(11) =915049a(12) =240769a(13) =17302321a(14) =7076521a(15) =49186201a(16) =2100735289a(17) =1074527281a(18) =23971813321a(19) =32354445841a(20) =68820869329

External references