A137072 - OEIS

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

%S 2,6,8,22,62,68,262,482,622,662,668,4832,4844,6662,6668,26238,48628,

%T 66662,66668,483368,666662,666668,828482,828628,2623628,2886838,

%U 2888482,4833668,4882262,6232438,6232442,6232844,6666662,6666668,6832442,28848368,28884838,28886482,62324832,66248368,66666662,66666668,288833628,484382438

%N Numbers k such that k and k^2 use only the digits 2, 3, 4, 6 and 8.

%C Generated with DrScheme.

%H Jonathan Wellons, <a href="/A137072/b137072.txt">Table of n, a(n) for n = 1..222</a>

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

%e 262348362386482^2 = 68826663246868883434336336324.

%K base,nonn

%O 1,1

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