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%I #9 Mar 30 2012 18:50:10
%S 1,2,2,4,2,6,4,8,4,8,6,10,2,18,4,20,6,10,14,18,4,20,18,18,4,26,18,16,
%T 8,40,8,30,12,30,16,24,12,44,12,30,30,42,10,26,24,46,14,48,22,38,30,
%U 48,12,60,12,52,14,54,52,26,12,66,54,60,10,26,60,60,10,74,30,52,56,64,14,34
%N First differences of A007952.
%H R. Zumkeller, <a href="/A028913/b028913.txt">Table of n, a(n) for n = 0..1000</a>
%Y Cf. A082447, A140060, A140061.
%K nonn
%O 0,2
%A _N. J. A. Sloane_.
%E More terms from _Reinhard Zumkeller_, Jun 21 2008
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