%I #10 Oct 07 2017 21:54:42
%S 0,1,2,3,5,6,7,9,13,14,15,18,26,29,30,31,33,41,47,50,53,63,65,69,74,
%T 81,86,89,90,98,105,113,127,134,138,146,152,158,173,174,186,189,194,
%U 209,210,221,230,233,245,254,255,259,261,270,273,278,281,293,306,309,326,329,330,338,350,354,378,386,393,398,410
%N Numbers n for which A292270(n) is a square.
%C Positions of ones in A293218.
%H Antti Karttunen, <a href="/A292938/b292938.txt">Table of n, a(n) for n = 1..1001</a>
%Y Cf. A292270, A292939 (corresponding odd numbers).
%Y Cf. A000225 (a subsequence), A293218.
%K nonn
%O 1,3
%A _Antti Karttunen_ and _Vladimir Shevelev_, Oct 06 2017