a(n) is smallest number such that a(n)^2 + 1 is divisible by 41^n.

A218714

a(n) is smallest number such that a(n)^2 + 1 is divisible by 41^n.

Terms

    a(0) =0a(1) =9a(2) =378a(3) =11389a(4) =1251967a(5) =46464143a(6) =2363588163a(7) =92615568742a(8) =287369842623

External references