a(n) = min { p +- q : p +- q > 1 and p*q = Product_{k=1..n-1} a(k) }.
A003681
a(n) = min { p +- q : p +- q > 1 and p*q = Product_{k=1..n-1} a(k) }.
Terms
- a(0) =2a(1) =3a(2) =5a(3) =7a(4) =11a(5) =13a(6) =17a(7) =107a(8) =197a(9) =3293a(10) =74057a(11) =1124491a(12) =1225063003
External references
- oeis: A003681