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A136867
Numbers k such that k and k^2 use only the digits 0, 1, 4, 8 and 9.
1
0, 1, 9, 10, 90, 99, 100, 109, 141, 441, 900, 901, 990, 999, 1000, 1009, 1049, 1090, 1191, 1410, 4410, 9000, 9001, 9010, 9049, 9900, 9990, 9999, 10000, 10009, 10090, 10099, 10401, 10441, 10488, 10490, 10900, 11910, 14100, 44100, 90000, 90001, 90010, 90100, 90490, 90498, 99000, 99001, 99900, 99990, 99999, 100000, 100009, 100090, 100099, 100491
OFFSET
1,3
COMMENTS
Generated with DrScheme.
LINKS
J. Wellons, Tables of Shared Digits [archived]
EXAMPLE
91919010109^2 = 8449104419418444191881.
CROSSREFS
Sequence in context: A041176 A119072 A347183 * A136879 A136880 A136874
KEYWORD
base,nonn
AUTHOR
Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
STATUS
approved