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%I #18 Jun 14 2017 07:14:51
%S 0,0,0,4,0,0,8,12,0,0,0,4,16,16,24,28,0,0,0,4,0,0,8,12,32,32,32,36,48,
%T 48,56,60,0,0,0,4,0,0,8,12,0,0,0,4,16,16,24,28,64,64,64,68,64,64,72,
%U 76,96,96,96,100,112,112,120
%N Differences between A008585 (multiples of 3) and A048724.
%H Reinhard Zumkeller, <a href="/A048728/b048728.txt">Table of n, a(n) for n = 0..10000</a>
%F a(n) = n*3 - Xmult(n, 3).
%o (Haskell)
%o a048728 n = a008585 n - a048724 n -- _Reinhard Zumkeller_, May 13 2014
%o (PARI) a(n)=3*n - bitxor(2*n, n) \\ _Charles R Greathouse IV_, Oct 03 2016
%o (Python)
%o def a(n): return 3*n - (2*n^n) # _Indranil Ghosh_, Jun 13 2017
%Y Positions of zeros are given by A003714. Cf. A048735, A242400.
%Y Diagonal 3 of A061858.
%K nonn,easy
%O 0,4
%A _Antti Karttunen_, Apr 26 1999
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