Numbers k such that 2k-1 is the digit reversal of k.

A083818

Numbers k such that 2k-1 is the digit reversal of k.

Terms

    a(0) =1a(1) =37a(2) =397a(3) =3997a(4) =39997a(5) =399997a(6) =3999997a(7) =39999997a(8) =399999997a(9) =3999999997a(10) =39999999997a(11) =399999999997

External references