_Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), _, Dec 18 2006
_Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), _, Dec 18 2006
A. Karttunen, <a href="/A126000/a126000.scm.txt">Scheme-program for computing this sequence.</a>
nonn,new
nonn
A. Karttunen, <a href="http://www.research.att.com/~njas/sequences/a126000.scm.txt">Scheme-program for computing this sequence.</a>
nonn,new
nonn
A106486-encoding of the canonical representative of the combinatorial game with code n.
0, 1, 2, 3, 4, 4, 6, 6, 0, 9, 2, 3, 12, 12, 6, 6, 0, 1, 18, 3, 4, 4, 6, 6, 0, 9, 18, 3, 12, 12, 6, 6, 32, 33, 32, 33, 36, 36, 36, 36, 32, 33, 32, 33, 36, 36, 36, 36, 48, 33, 48, 33, 36, 36, 36, 36, 48, 33, 48, 33, 36, 36, 36, 36, 0, 1, 66, 67, 4, 4, 6, 6, 0, 9, 66, 67, 12, 12, 6, 6
0,3
A. Karttunen, <a href="http://www.research.att.com/~njas/sequences/a126000.scm.txt">Scheme-program for computing this sequence.</a>
25 (= 2^(2*2) + 2^(2*0) + 2^(1+2*1)) encodes the game {-1,0|1}, where, as the option -1 is dominated by option 0, the former can be deleted, giving us the game {0|1}, i.e. the canonical (minimal) form of the game 1/2, encoded as 2^(2*0) + 2^(1+2*1) = 9, thus a(25)=9 and a(9)=9. Similarly a(65536)=1, as 65536 (= 2^(2*(2^(1+2*1)))) encodes the game {{|1}|}, which is reversible to the game {0|}, i.e. the game 1, which is encoded as 2^(2*0) = 1.
A126011 gives the distinct terms (and also the records).
nonn
Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), Dec 18 2006
approved