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A126033
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a(n) is largest prime < 5*a(n-1).
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1
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2, 7, 31, 151, 751, 3739, 18691, 93427, 467123, 2335607, 11678021, 58390103, 291950479, 1459752391, 7298761949, 36493809683, 182469048409, 912345242041, 4561726210189, 22808631050929, 114043155254641, 570215776273147
(list; graph; refs; listen; history; internal format)
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