%I A004444
%S A004444 3,2,1,0,7,6,5,4,11,10,9,8,15,14,13,12,19,18,17,16,23,22,
%T A004444 21,20,27,26,25,24,31,30,29,28,35,34,33,32,39,38,37,36,
%U A004444 43,42,41,40,47,46,45,44,51,50,49,48,55,54,53,52,59,58
%N A004444 Nimsum n + 3.
%C A004444 The same as A120634 except for first 3 terms. - Pietro Battiston (toobaz(AT)email.it), 
               Jan 19 2008
%D A004444 E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways, Academic Press, 
               NY, 2 vols., 1982, see p. 60.
%D A004444 J. H. Conway, On Numbers and Games. Academic Press, NY, 1976, pp. 51-53.
%H A004444 <a href="Sindx_Ni.html#Nimsums">Index entries for sequences related to 
               Nim-sums</a>
%F A004444 G.f. (4x^4-x^3-x^2-x+3)/((x-1)^2*(x+1)*(x^2+1)). - Ralf Stephan (ralf(AT)ark.in-berlin.de), 
               Nov 01 2003
%F A004444 a(n) = n + (-1)^n + 2(-1)^[n/2] - Mitchell Harris, Jan 10 2005
%Y A004444 Sequence in context: A098825 A111460 A035327 this_sequence A085771 A111106 
               A113081
%Y A004444 Adjacent sequences: A004441 A004442 A004443 this_sequence A004445 A004446 
               A004447
%K A004444 nonn
%O A004444 0,1
%A A004444 N. J. A. Sloane (njas(AT)research.att.com).