%I #11 Mar 08 2024 20:36:28
%S 2,8,20992,21602,215408,800037502,21120134092,25815899102,80025400008,
%T 8000254000008,25815577558262,254166490010002,254243985975008,
%U 683085646609592,800002540000008,80000025400000008,635613598504629262,2457776365832743262,2542962918459579238
%N Numbers k such that k^2 contains only digits {0,4,6}, not ending with zero.
%H Zhao Hui Du, <a href="/A058437/b058437.txt">Table of n, a(n) for n = 1..25</a>
%H P. De Geest, <a href="http://www.worldofnumbers.com/threedigits.htm">Index to related sequences</a>
%H Hisanori Mishima, <a href="http://www.asahi-net.or.jp/~KC2H-MSM/mathland/math02/math0210.htm#046">Sporadic tridigital solutions</a>
%Y Cf. A058438.
%K nonn,base
%O 1,1
%A _Patrick De Geest_, Nov 15 2000
%E a(16) and above from _Zhao Hui Du_, Mar 08 2024
|