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A124190
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a(n) is largest prime < 4*a(n-1).
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2
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2, 7, 23, 89, 353, 1409, 5623, 22483, 89923, 359663, 1438643, 5754571, 23018273, 92073083, 368292317, 1473169213, 5892676849, 23570707387, 94282829533, 377131318127, 1508525272477, 6034101089897, 24136404359569, 96545617438253
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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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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