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A072489
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a(1) = 1, a(n) = a(n-1) times smallest divisor of n >= n^(1/2).
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2
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1, 2, 6, 12, 60, 180, 1260, 5040, 15120, 75600, 831600, 3326400, 43243200, 302702400, 1513512000, 6054048000, 102918816000, 617512896000, 11732745024000, 58663725120000
(list; graph; refs; listen; history; internal format)
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