A136963 - OEIS

%I #7 Apr 12 2024 09:51:27

%S 0,76,760,766,7600,7660,7666,76000,76076,76600,76660,76666,760000,

%T 760760,766000,766600,766660,766666,875076,7600000,7607600,7660000,

%U 7666000,7666600,7666660,7666666,7668576,8660766,8750760,76000000,76076000,76600000,76655076,76660000,76666000,76666600,76666660,76666666,76685760,76685766,86607660

%N Numbers k such that k and k^2 use only the digits 0, 5, 6, 7 and 8.

%C Generated with DrScheme.

%H Jonathan Wellons, <a href="/A136963/b136963.txt">Table of n, a(n) for n = 1..294</a>

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

%e 760657656576076^2 = 578600070507807576007575557776.

%K base,nonn

%O 1,2

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