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%I #10 Jul 04 2021 13:31:22
%S 12,27,28,38,63,65,67,81,84,100,104,121,124,146,164,170,190,197,227,
%T 251,278,287,290,297,338,371,372,378,382,418,420,428,470,473,477,529,
%U 578,583,587,648,700,711,755,759,766,768,778,846
%N Numbers k such that A030727(k) = 4.
%Y Cf. A030727.
%K nonn
%O 1,1
%A _Clark Kimberling_
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