%I #3 Mar 30 2012 18:50:18
%S 0,0,0,0,2,2,2,2,4,6,6,6,6,8,8,8,12,12,12,12,14,14,14,14,16,20,20,20,
%T 20,22,22,22,24,24,26,26,30,30,30,30,32,32,32,32,34,36,36,36,36,42,42,
%U 42,42,44,44,44,44,46,48,48,48,50,50,50,56,56,56,54,58,58,56,56,60,62
%N a(n) = n - (A064873(n) + A064874(n) + A064875(n) + A064876(n)).
%Y Cf. A064873, A064874, A064875, A064876.
%K nonn
%O 0,5
%A _Reinhard Zumkeller_, Oct 10 2001
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