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%I #8 Feb 12 2021 20:08:32
%S 1,5,7,17,46,47,48,133,155,210,233,239,242,251,268,306,309,315,316,
%T 319,347,350,355,357,391,394,437,440,486,489,493,538,541,596,599,607,
%U 618,657,660,666,668,674,720,723,787,790,859,862
%N Numbers k such that A030777(k) = 3.
%Y Cf. A030777.
%K nonn
%O 1,2
%A _Clark Kimberling_