login
A136900
Numbers k such that k and k^2 use only the digits 0, 2, 4, 5 and 8.
1
0, 2, 5, 20, 22, 45, 50, 200, 202, 205, 220, 450, 500, 502, 505, 2000, 2002, 2005, 2020, 2022, 2050, 2200, 2202, 2245, 2255, 4500, 4522, 5000, 5002, 5005, 5020, 5022, 5045, 5050, 20000, 20002, 20005, 20020, 20022, 20050, 20200, 20205, 20220, 20500, 20505, 20555, 22000, 22002, 22005, 22020, 22450, 22550, 24205, 45000, 45005, 45220, 50000, 50002, 50005
OFFSET
1,2
COMMENTS
Generated with DrScheme.
LINKS
J. Wellons, Tables of Shared Digits [archived]
EXAMPLE
5058542502^2 = 25588852244540420004.
CROSSREFS
Sequence in context: A270556 A059079 A177494 * A136898 A077138 A247131
KEYWORD
base,nonn
AUTHOR
Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
STATUS
approved