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%I #18 Sep 24 2013 20:51:59
%S 1,3,2,15,12,9,11,10,6,8,7,5,14,13,4,170,160,109,107,131,139,116,115,
%T 228,234,92,89,73,77,220,209,85,214,80,219,199,179,203,184,66,226,70,
%U 236,156,247,149,248,255,182,189,240,120,164,174,127,142,100,98,134
%N Inverse of n under Nim (or Conway) multiplication.
%C The Conway product makes N into a field of characteristic 2. This is the inverse function for that field.
%D E. R. Berlekamp, J. H. Conway and R. K. Guy, ``Winning Ways'', p. 443.
%D J. H. Conway, ``On Numbers and Games'', chapter 6.
%H Paul Tek, <a href="/A051917/b051917.txt">Table of n, a(n) for n = 1..255</a>
%H David A. Madore, <a href="http://www.eleves.ens.fr:8080/home/madore/math/games.ps.gz">Notes on game theory</a>
%H <a href="/index/Ni#Nimmult">Index entries for sequences related to Nim-multiplication</a>
%e a(4)=15 because the Conway product of 4 and 15 is 1. And a(15)=4.
%Y Cf. A051776.
%K easy,nice,nonn
%O 1,2
%A _David A. Madore_, Dec 18 1999
%E More terms from _John W. Layman_, Mar 01 2001
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