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A137085 Numbers k such that k and k^2 use only the digits 2, 3, 5 and 8. 0
5, 235, 2885, 2885885 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Generated with DrScheme.
From Pontus von Brömssen, May 01 2024: (Start)
a(5) > 2*10^45 (if it exists).
If k = x*10^m is a term where 1 < x < 10, then 2.285225552388258858552222225235528528523328825 < x < 5.325258888855882552883388888388553252535328324.
(End)
LINKS
J. Wellons, Tables of Shared Digits [archived]
EXAMPLE
2885885^2 = 8328332233225.
CROSSREFS
Sequence in context: A330308 A157710 A265957 * A153025 A140518 A269551
KEYWORD
base,nonn,more
AUTHOR
Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
STATUS
approved

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Last modified June 17 21:09 EDT 2024. Contains 373464 sequences. (Running on oeis4.)