a(1) = 1; for n>1, a(n) = smallest integer > a(n-1) such that a(n)*a(n-i)+1 is prime for all 0 <= i <= n-1.
A219761
a(1) = 1; for n>1, a(n) = smallest integer > a(n-1) such that a(n)*a(n-i)+1 is prime for all 0 <= i <= n-1.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =156a(4) =4260a(5) =117306a(6) =160650a(7) =13937550a(8) =32742516a(9) =3306719796a(10) =7746764190
External references
- oeis: A219761