Squares of A002279: a(n) = (5*(10^n - 1)/9)^2.

A075414

Squares of A002279: a(n) = (5*(10^n - 1)/9)^2.

Terms

    a(0) =0a(1) =25a(2) =3025a(3) =308025a(4) =30858025a(5) =3086358025a(6) =308641358025

External references