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%I #8 Feb 12 2021 20:09:17
%S 7,10,15,21,29,38,50,54,55,57,65,69,82,85,100,122,126,127,130,146,173,
%T 175,177,182,203,219,237,239,241,242,249,273,312,316,317,327,354,359,
%U 400,403,404,411,448,500,505,506,524,557,561
%N Numbers k such that A030757(k) = 2.
%Y Cf. A030757.
%K nonn
%O 1,1
%A _Clark Kimberling_
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