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A137099 Numbers k such that k and k^2 use only the digits 2, 4, 5, 8 and 9. 1

%I #8 Apr 12 2024 09:51:27

%S 2,5,22,222,288,49522,49828,229888,495222,499228,499522,992585,

%T 2292585,2298882,2448522,2924522,4944282,4988485,4989888,4995222,

%U 4995282,4998485,9449828,9929222,22259828,29825485,49425585,49449828,49824522,49858228,49898882,49925888,49948522,49958228,49984222,49992585,49995222,49995282,94459282

%N Numbers k such that k and k^2 use only the digits 2, 4, 5, 8 and 9.

%C Generated with DrScheme.

%H Jonathan Wellons, <a href="/A137099/b137099.txt">Table of n, a(n) for n = 1..316</a>

%H J. Wellons, <a href="https://web.archive.org/web/20090206165028/http://jonathanwellons.com/shared-digits/">Tables of Shared Digits</a> [archived]

%e 945985858554585^2 = 894889244585255298425424522225.

%K base,nonn,changed

%O 1,1

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

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Last modified April 23 01:19 EDT 2024. Contains 371906 sequences. (Running on oeis4.)