a(n) is root of smallest square starting with a string of n 'digit_6's.

A034988

a(n) is root of smallest square starting with a string of n 'digit_6's.

Terms

    a(0) =8a(1) =257a(2) =2581a(3) =2582a(4) =258198a(5) =2581988a(6) =8164966a(7) =25819889a(8) =816496581a(9) =8164965809a(10) =258198889746

External references