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%I #16 Sep 26 2018 03:11:25
%S 0,0,0,0,0,1,0,0,0,3,2,3,0,1,0,0,0,7,6,9,4,7,6,7,0,3,2,3,0,1,0,0,0,15,
%T 14,21,12,19,18,21,8,15,14,17,12,15,14,15,0,7,6,9,4,7,6,7,0,3,2,3,0,1,
%U 0,0,0,31,30,45,28,43,42,49,24,39,38,45,36,43,42,45,16
%N a(n) = A073138(n) - n.
%H Seiichi Manyama, <a href="/A319650/b319650.txt">Table of n, a(n) for n = 0..8191</a>
%o (Ruby)
%o def A(k, n)
%o (0..n).map{|i| i.to_s(k).split('').sort.reverse.join.to_i(k) - i}
%o end
%o p A(2, 100)
%o (PARI) a(n) = fromdigits(vecsort(binary(n),,4), 2) - n; \\ _Michel Marcus_, Sep 25 2018
%Y Cf. A073138, A164884.
%K nonn,base,look
%O 0,10
%A _Seiichi Manyama_, Sep 25 2018
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