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A085087
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a(1) = 1; for n>1, a(n) = a(n-1)*n if n is a prime, a(n) = a(n-1)/n if n is composite and divides a(n-1) else a(n) = a(n-1).
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0
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1, 2, 6, 6, 30, 5, 35, 35, 35, 35, 385, 385, 5005, 5005, 5005, 5005, 85085, 85085, 1616615, 1616615, 1616615, 1616615, 37182145, 37182145, 37182145, 37182145, 37182145, 37182145, 1078282205, 1078282205, 33426748355, 33426748355
(list; graph; refs; listen; history; internal format)
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