A136870 Numbers k such that k and k^2 use only the digits 0, 1, 5, 6 and 8.

0, 1, 10, 81, 100, 810, 816, 1000, 1081, 8100, 8160, 10000, 10801, 10810, 81000, 81551, 81600, 81651, 100000, 108010, 108100, 810000, 815510, 815881, 816000, 816510, 1000000, 1008001, 1008051, 1080100, 1081000, 8100000, 8155100, 8158810, 8160000, 8165100, 10000000, 10080010, 10080510, 10568151, 10801000, 10810000, 81000000, 81551000

Offset

1,3

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..235

J. Wellons, Tables of Shared Digits [archived]

Example

816505086868151^2 = 666680556881566810585658158801.

Crossrefs

Sequence in context: A297869 A138425 A010569 * A293367 A018202 A154236

Adjacent sequences: A136867 A136868 A136869 * A136871 A136872 A136873

Keyword

base,nonn,changed

Author

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

Status

approved