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%I #8 Jan 10 2023 11:38:50
%S 0,4,32,320,520,512,12288,32768,131584,266240,1310720,8388608,4325376,
%T 39059456,100663296
%N First occurrence of -n in A220115.
%C Least k such that A007895(k) - A000120(k) = n.
%Y Cf. A000120, A007895, A220115, A220117.
%K nonn,base,more
%O 0,2
%A _Alex Ratushnyak_, Dec 05 2012