a(n)^2 is smallest square number starting with a string of n 8's.

A034992

a(n)^2 is smallest square number starting with a string of n 8's.

Terms

    a(0) =9a(1) =94a(2) =298a(3) =9428a(4) =298141a(5) =942809a(6) =942809a(7) =94280904a(8) =298142397a(9) =298142397a(10) =298142397a(11) =942809041582

External references