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%I #8 Dec 19 2015 12:58:34
%S 1,-1,0,1,0,-1,-2,-1,8,25,26,-111,-590,-1419,456,21639,99822,202875,
%T -545926,-7583365,-36354050,-71015561,372995254,4834925399,
%U 25950214696,60006459617,-337120306782,-5124389194155,-33147265576814
%N Column 1 of triangle A052311.
%H <a href="/index/Ne#necklaces">Index entries for sequences related to necklaces</a>
%K sign
%O 1,7
%A _Christian G. Bower_, Dec 15 1999
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