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%I #8 Feb 12 2021 19:43:35
%S 5,24,30,31,44,53,68,89,90,104,131,149,154,176,179,207,240,244,246,
%T 277,288,313,315,319,322,373,401,408,409,462,504,509,511,562,621,629,
%U 634,642,650,688,693,695,704,752,754,761,778,823
%N Numbers k such that A030757(k) = 3.
%Y Cf. A030757.
%K nonn
%O 1,1
%A _Clark Kimberling_