%I #16 Aug 09 2021 04:58:40
%S 2,7,20,21,22,64,65,66,67,68,69,70,200,201,202,203,204,205,206,207,
%T 208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,633,
%U 634,635,636,637,638,639,640,641,642,643,644,645,646,647,648,649,650,651
%N Numbers whose square has initial digit '4'.
%H Seiichi Manyama, <a href="/A045858/b045858.txt">Table of n, a(n) for n = 1..10000</a>
%Y Cf. A045787.
%K nonn,base
%O 1,1
%A _Jeff Burch_
