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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

Jonathan Wellons, Table of n, a(n) for n = 1..183

J. Wellons, Tables of Shared Digits

EXAMPLE

723728372752885^2 = 523782757527538855273275823225.

CROSSREFS

Sequence in context: A268880 A048143 A216420 * A198586 A121290 A201797

Adjacent sequences: A137080 A137081 A137082 * A137084 A137085 A137086

KEYWORD

base,nonn

AUTHOR

Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008

STATUS

approved

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Last modified December 8 11:33 EST 2022. Contains 358693 sequences. (Running on oeis4.)