a(n) is smallest number such that a(n)^2 + 1 is divisible by 101^n.
A218720
a(n) is smallest number such that a(n)^2 + 1 is divisible by 101^n.
Terms
- a(0) =0a(1) =10a(2) =515a(3) =296344a(4) =35764191a(5) =1108900220a(6) =316411915250
External references
- oeis: A218720