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Search: id:A118291
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A118291 a(1) = 1. a(n) = number of terms among the sequence's first (n-1) terms which are divisible by the largest 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, 2, 7, 1, 16, 8, 9, 3, 4, 10, 2, 12, 5, 3, 6, 7, 2, 15, 4, 16, 17, 1, 34, 2, 19, 1, 38, 2, 21, 3, 10, 5, 6, 11, 1, 47, 1, 49, 4, 24, 12, 13, 1, 55, 2, 27, 14, 5, 8, 29, 1, 63, 6, 16, 31, 1, 68, 3, 17, 4, 33, 3, 19, 3, 20, 9, 21, 7, 8, 35, 9, 23, 1, 85, 5, 12 (list; graph; listen)
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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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