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Search: id:A118290
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A118290 a(1) = 1. a(n) = number of terms among the sequence's first (n-1) terms which are divisible by the smallest prime dividing a(n-1), or which are divisible by 1 if a(n-1)= 1. +0
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1, 1, 2, 1, 4, 2, 3, 1, 8, 4, 5, 1, 12, 6, 7, 1, 16, 8, 9, 4, 10, 11, 1, 23, 1, 25, 3, 5, 4, 12, 13, 1, 32, 14, 15, 7, 3, 8, 16, 17, 1, 41, 1, 43, 1, 45, 9, 10, 18, 19, 1, 51, 12, 20, 21, 14, 22, 23, 2, 24, 25, 9, 16, 26, 27, 17, 3, 18, 28, 29, 1, 71, 1, 73, 1, 75, 20, 30, 31 (list; graph; listen)
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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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