Search: id:A004462
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%I A004462
%S A004462 21,20,23,22,17,16,19,18,29,28,31,30,25,24,27,26,5,4,7,
%T A004462 6,1,0,3,2,13,12,15,14,9,8,11,10,53,52,55,54,49,48,51,50,
%U A004462 61,60,63,62,57,56,59,58,37,36,39,38,33,32,35,34,45,44
%N A004462 Nimsum n + 21.
%D A004462 E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways, Academic Press, 
               NY, 2 vols., 1982, see p. 60.
%D A004462 J. H. Conway, On Numbers and Games. Academic Press, NY, 1976, pp. 51-53.
%H A004462 <a href="Sindx_Ni.html#Nimsums">Index entries for sequences related to 
               Nim-sums</a>
%F A004462 a(n) = n + (-1)^n + 4(-1)^[n/4] + 16(-1)^[n/16] - Mitchell Harris, Jan 
               10 2005
%Y A004462 Sequence in context: A105706 A022977 A023463 this_sequence A154352 A010860 
               A158772
%Y A004462 Adjacent sequences: A004459 A004460 A004461 this_sequence A004463 A004464 
               A004465
%K A004462 nonn
%O A004462 0,1
%A A004462 N. J. A. Sloane (njas(AT)research.att.com).

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