a(n) is smallest number such that a(n)^2 + 1 is divisible by 53^n.
A218715
a(n) is smallest number such that a(n)^2 + 1 is divisible by 53^n.
Terms
- a(0) =0a(1) =23a(2) =500a(3) =27590a(4) =623098a(5) =23048345a(6) =5041394261a(7) =416081467190
External references
- oeis: A218715