A136964 Numbers k such that k and k^2 use only the digits 0, 5, 6, 7 and 9.

0, 76, 760, 7076, 7600, 70760, 76000, 707600, 759576, 760000, 997976, 7076000, 7595760, 7600000, 9977976, 9979760, 70760000, 75957600, 76000000, 97979976, 99779760, 99797600, 99979976, 707600000, 759576000, 760000000, 979799760, 997797600, 997976000, 999799760, 7076000000, 7595760000, 7596050076, 7596057576, 7600000000

Offset

1,2

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..145

J. Wellons, Tables of Shared Digits [archived]

Example

759590679050676^2 = 576977999700667075500576056976.

Crossrefs

Sequence in context: A137061 A230944 A136963 * A136962 A324626 A137146

Adjacent sequences: A136961 A136962 A136963 * A136965 A136966 A136967

Keyword

base,nonn

Author

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

Status

approved