A136822 Numbers k such that k and k^2 use only the digits 0, 1, 2 and 5.

0, 1, 5, 10, 11, 15, 50, 100, 101, 105, 110, 150, 500, 501, 505, 1000, 1001, 1005, 1010, 1011, 1050, 1100, 1101, 1105, 1500, 5000, 5001, 5005, 5010, 5011, 5015, 5050, 10000, 10001, 10005, 10010, 10011, 10050, 10100, 10105, 10110, 10500, 11000, 11001, 11005, 11010, 11050, 11205, 15000, 15005, 50000, 50001, 50005, 50010, 50011, 50015, 50050, 50100

Offset

1,3

Comments

Generated with DrScheme

Links

Jonathan Wellons, Table of n, a(n) for n = 1..1165

J. Wellons, Tables of Shared Digits [archived]

Example

5010102005^2 = 25101122100505020025.

Crossrefs

Sequence in context: A136826 A136825 A136824 * A189151 A120513 A004757

Adjacent sequences: A136819 A136820 A136821 * A136823 A136824 A136825

Keyword

base,nonn,changed

Author

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

Status

approved