%I #10 Sep 04 2021 17:03:57
%S 9,900,961,9025,9216,9409,9604,9801,90000,90601,91204,91809,92416,
%T 93025,93636,94249,94864,95481,96100,96721,97344,97969,98596,99225,
%U 99856,900601,902500,904401,906304,908209,910116,912025,913936,915849
%N Squares with initial digit '9'.
%F a(n) = A045863(n)^2. - _Michel Marcus_, Sep 04 2021
%t Select[Range[1000]^2,First[IntegerDigits[#]]==9&] (* _Harvey P. Dale_, Apr 21 2015 *)
%Y Cf. A045863.
%Y Cf. A045784, A045785, A045786, A045787, A045788, A045789, A045791, A045792.
%K nonn,base
%O 1,1
%A _Jeff Burch_