a(n) is the smallest prime dividing n numbers of the form k! + 1.
A230315
a(n) is the smallest prime dividing n numbers of the form k! + 1.
Terms
- a(0) =2a(1) =7a(2) =23a(3) =59a(4) =71a(5) =71a(6) =71a(7) =3643a(8) =62939a(9) =292627a(10) =292627a(11) =1089427a(12) =2374649a(13) =2374649a(14) =584133523a(15) =584133523
External references
- oeis: A230315