Smallest positive integer whose cube ends with exactly n 7's.

A352992

Smallest positive integer whose cube ends with exactly n 7's.

Terms

    a(0) =1a(1) =3a(2) =53a(3) =1753a(4) =753a(5) =60753a(6) =660753a(7) =9660753a(8) =99660753a(9) =899660753a(10) =3899660753a(11) =33899660753a(12) =233899660753

External references