A081725 - OEIS

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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; text; internal format)

OFFSET

1,2

COMMENTS

Conjecture : a(n)>0

LINKS

Table of n, a(n) for n=1..74.

CROSSREFS

Sequence in context: A306762 A124938 A198342 * A228083 A222234 A374791

Adjacent sequences: A081722 A081723 A081724 * A081726 A081727 A081728

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Apr 06 2003

STATUS

approved