a(n) is the least number that starts a sequence of exactly n nonsquarefree numbers under the iteration x_{n+1} = x_n^2 - x_n + 1.

A351027

a(n) is the least number that starts a sequence of exactly n nonsquarefree numbers under the iteration x_{n+1} = x_n^2 - x_n + 1.

Terms

    a(0) =4a(1) =68a(2) =1832a(3) =80796

External references