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A084114 Number of divisions when calculating A084110(n). +0
7
0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 2, 0, 1, 1, 1, 0, 2, 0, 1, 1, 1, 1, 2, 0, 1, 1, 2, 0, 2, 0, 1, 1, 1, 0, 3, 0, 1, 1, 1, 0, 2, 1, 2, 1, 1, 0, 4, 0, 1, 1, 2, 1, 2, 0, 1, 1, 2, 0, 4, 0, 1, 1, 1, 1, 2, 0, 3, 1, 1, 0, 4, 1, 1, 1, 2, 0, 4, 1, 1, 1, 1, 1, 4, 0, 1, 1, 2, 0, 2, 0, 2, 2 (list; graph; listen)
OFFSET

1,24

COMMENT

a(n) = A000005(n)-1-A084113(n) = A032741(n)-A084113(n) = (A032741(n)-A084115(n))/2;

a(n) = 0 iff n is prime or a square of prime (A000430).

CROSSREFS

Cf. A080257.

Sequence in context: A117454 A115357 A063962 this_sequence A110475 A086971 A088434

Adjacent sequences: A084111 A084112 A084113 this_sequence A084115 A084116 A084117

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 12 2003

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.


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