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A085872
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a(1) = 2, a(2n) = smallest prime of the form k*a(2n-1) -1, k >1, a(2n+1) = smallest prime of the form r*a(2n)+1, r >1.
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1
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2, 3, 7, 13, 53, 211, 2111, 8443, 33773, 202637, 1621097, 16210969, 453907133, 8170328393, 196087881433, 1176527288597, 7059163731583, 254129894336987, 6099117464087689, 158577054066279913, 8246006811446555477
(list; graph; refs; listen; history; internal format)
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