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A253077
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Bisection of A136704 (divided by 2).
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2
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0, 1, 6, 39, 273, 2013, 15330, 119572, 949560, 7646457, 62263994, 511647711, 4236443046, 35303691969
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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LINKS
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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STATUS
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approved
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