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%I #8 Feb 12 2021 20:46:15
%S 1,4,13,20,28,29,39,40,52,53,67,68,85,86,105,106,127,128,151,206,223,
%T 226,229,236,238,273,303,311,343,350,353,389,391,393,395,399,427,444,
%U 448,492,497,501,541,543,550,554,556,613,673
%N Numbers k such that A030737(k) = 2.
%Y Cf. A030737.
%K nonn
%O 1,2
%A _Clark Kimberling_