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A222760
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Conjectured least prime p for which binomial(n*q,q) (mod q^3) = n for all primes q >= p.
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1
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2, 5, 3, 2, 5, 3, 3, 5, 3, 3, 5, 3, 3, 5, 3, 3, 5, 3, 3, 5, 3, 3, 5, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5
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OFFSET
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1,1
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COMMENTS
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The n = 2 case is mentioned in Eric Weisstein's website.
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LINKS
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MATHEMATICA
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lim = 100; Table[r = Table[Mod[Binomial[n*p, p], p^3] == n, {p, Prime[Range[lim]]}]; i = lim; While[i > 0 && r[[i]], i--]; Prime[i + 1], {n, 87}]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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