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A215609
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Smallest prime p congruent to 1 modulo prime(10^n).
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1
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3, 59, 9739, 63353, 209459, 15596509, 154858631, 1794246731, 4076149487, 45603526979, 11092303227413, 93864728285579, 1319833868136653, 11656098322067917, 27803086068196217, 1781976386163140977, 32382366940106296979, 100447117955224696057, 707388643757314709297
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OFFSET
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0,1
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LINKS
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FORMULA
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EXAMPLE
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a(0) = 3 because p = prime(1) = 2, 3 = 1+p.
a(1) = 59 because p = prime(10) = 29, 59 = 1+2*p.
a(2) = 9739 because p = prime(10) = 29, 59 = 1+18*p.
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MATHEMATICA
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a[n_]:=(If[n<2, 3, p=Prime[n]; r=2p+1; While[!PrimeQ[r], r=r+2p]; r]); Table[a[10^n], {n, 0, 12}]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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