A137010 Numbers k such that k and k^2 use only the digits 1, 2, 5 and 8.

1, 5, 11, 15, 285, 1585, 2285, 285515

Offset

1,2

Comments

Generated with DrScheme.

Links

Table of n, a(n) for n=1..8.

J. Wellons, Tables of Shared Digits [archived]

Example

285515^2 = 81518815225.

Crossrefs

Sequence in context: A276037 A221743 A137008 * A137007 A137012 A259067

Adjacent sequences: A137007 A137008 A137009 * A137011 A137012 A137013

Keyword

base,nonn,changed

Author

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

Status

approved