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A136817
Numbers k such that k and k^2 use only the digits 0, 1, 2, 4 and 5.
4
0, 1, 2, 5, 10, 11, 12, 15, 20, 21, 45, 50, 100, 101, 102, 105, 110, 112, 120, 145, 150, 155, 200, 201, 205, 210, 211, 450, 500, 501, 502, 505, 1000, 1001, 1002, 1005, 1010, 1011, 1012, 1020, 1021, 1050, 1100, 1101, 1102, 1105, 1120, 1200, 1201, 1205, 1245, 1415, 1450, 1451, 1500, 1550, 2000, 2001, 2005, 2010, 2011, 2050, 2100, 2101, 2110, 2245, 4500, 5000, 5001
OFFSET
1,3
COMMENTS
Generated with DrScheme.
LINKS
J. Wellons, Tables of Shared Digits [archived]
EXAMPLE
50141245^2 = 2514144450150025.
CROSSREFS
Sequence in context: A144793 A140707 A257086 * A140180 A175324 A056704
KEYWORD
base,nonn
AUTHOR
Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
STATUS
approved