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A137087 Numbers k such that k and k^2 use only the digits 2, 3, 5 and 9. 0

%I #7 Jul 05 2021 11:07:12

%S 3,5,23,235,23522235

%N Numbers k such that k and k^2 use only the digits 2, 3, 5 and 9.

%C Generated with DrScheme.

%H J. Wellons, <a href="http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a>

%e 23522235^2 = 553295539395225.

%K base,nonn,more

%O 1,1

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

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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)