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A136877
Numbers k such that k and k^2 use only the digits 0, 1, 6, 7 and 9.
1
0, 1, 10, 100, 1000, 7796, 10000, 77960, 100000, 107796, 779600, 1000000, 1077776, 1077960, 7796000, 10000000, 10777760, 10779600, 77960000, 97979996, 100000000, 107706969, 107777600, 107796000, 779170199, 779600000, 979799960, 1000000000, 1007977776, 1077069690, 1077107776, 1077776000, 1077779996, 1077960000, 7791066619
OFFSET
1,3
COMMENTS
Generated with DrScheme.
LINKS
J. Wellons, Tables of Shared Digits [archived]
EXAMPLE
10911906797676^2 = 119069709961167697199000976.
CROSSREFS
Sequence in context: A029793 A233453 A358442 * A257969 A125904 A272502
KEYWORD
base,nonn
AUTHOR
Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
STATUS
approved