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A137083 Numbers k such that k and k^2 use only the digits 2, 3, 5, 7 and 8. 1
5, 85, 235, 885, 2885, 7585, 22885, 27885, 72335, 73385, 75885, 87885, 287885, 522335, 572585, 723385, 723585, 733385, 852835, 2352835, 2752885, 2885885, 5222335, 5222885, 5223335, 5232385, 5327835, 5772585, 5777835, 7272385, 7333385, 8852885, 23575885, 28858835, 53223335, 73333385, 85752885, 88787885, 275378335, 278527885 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Generated with DrScheme.
LINKS
J. Wellons, Tables of Shared Digits [archived]
EXAMPLE
723728372752885^2 = 523782757527538855273275823225.
CROSSREFS
Sequence in context: A367192 A048143 A216420 * A198586 A121290 A201797
KEYWORD
base,nonn
AUTHOR
Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
STATUS
approved

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Last modified July 17 12:34 EDT 2024. Contains 374377 sequences. (Running on oeis4.)