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Search: id:A081229
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A081229 a(n) is the sum of the common digits of n and the n-th prime in base 10, or -1 if there are no common digits. +0
3
-1, -1, -1, -1, -1, -1, 7, -1, -1, -1, 1, -1, 1, 4, -1, -1, -1, 1, -1, -1, -1, -1, 3, -1, -1, -1, -1, -1, 9, 3, 1, 3, 3, 3, -1, -1, 7, 3, -1, -1, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 2, -1, 5, 5, 6, -1, -1, -1, -1, -1, 2, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, 10, 7, 7, -1, -1, 7, -1, 0, 1, 2, 3, 4, -1, -1, -1, -1, -1, -1, -1, 9, -1, 13, 9, -1 (list; graph; listen)
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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.


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