A136869 Numbers k such that k and k^2 use only the digits 0, 1, 5, 6 and 7.

0, 1, 10, 76, 100, 760, 1000, 1076, 7551, 7600, 10000, 10760, 75510, 76000, 100000, 107600, 107776, 707501, 751666, 755100, 760000, 1000000, 1005076, 1076000, 1077551, 1077760, 1077776, 7075010, 7177051, 7516660, 7551000, 7557551, 7600000, 10000000, 10007551, 10050760, 10760000, 10775510, 10777551, 10777600, 10777760, 70750100

Offset

1,3

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..516

J. Wellons, Tables of Shared Digits [archived]

Example

751705767011076^2 = 565061560157710075150706677776.

Crossrefs

Sequence in context: A025015 A228416 A049392 * A368418 A108277 A061319

Adjacent sequences: A136866 A136867 A136868 * A136870 A136871 A136872

Keyword

base,nonn

Author

Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008

Status

approved