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A081725 A065560(n) + n - prime(n). 0
1, 2, 4, 3, 5, 5, 7, 7, 6, 8, 15, 7, 10, 10, 9, 8, 11, 10, 11, 14, 13, 14, 13, 11, 12, 15, 16, 20, 21, 13, 14, 14, 17, 13, 16, 16, 16, 17, 17, 17, 20, 16, 20, 22, 26, 19, 13, 15, 19, 21, 21, 25, 21, 21, 21, 21, 25, 25, 27, 31, 27, 20, 22, 26, 28, 20, 21, 17, 21, 23, 24, 22, 22, 22 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

Conjecture : a(n)>0

CROSSREFS

Sequence in context: A053049 A124938 A198342 * A111269 A131042 A056019

Adjacent sequences:  A081722 A081723 A081724 * A081726 A081727 A081728

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 06 2003

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Last modified February 17 23:08 EST 2012. Contains 206085 sequences.