a(n) is the smallest number k such that r*k + 1 is prime for all r = 1 to n.
A088250
a(n) is the smallest number k such that r*k + 1 is prime for all r = 1 to n.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =330a(4) =10830a(5) =25410a(6) =512820a(7) =512820a(8) =12960606120a(9) =434491727670
External references
- oeis: A088250