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Search: id:A131516
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A131516 a(n)=1 if n is an odd prime number, otherwise, a(n)=n. +0
4
0, 1, 2, 1, 4, 1, 6, 1, 8, 9, 10, 1, 12, 1, 14, 15, 16, 1, 18, 1, 20, 21, 22, 1, 24, 25, 26, 27, 28, 1, 30, 1, 32, 33, 34, 35, 36, 1, 38, 39, 40, 1, 42, 1, 44, 45, 46, 1, 48, 49, 50, 51, 52, 1, 54, 55, 56, 57, 58, 1, 60, 1, 62, 63, 64, 65, 66, 1, 68 (list; graph; listen)
OFFSET

2,3

CROSSREFS

Cf. A000027; A001477; A006005.

Sequence in context: A009531 A124625 A137374 this_sequence A088140 A130758 A130892

Adjacent sequences: A131513 A131514 A131515 this_sequence A131517 A131518 A131519

KEYWORD

nonn

AUTHOR

Mohammad K. Azarian (azarian(AT)evansville.edu), Aug 14 2007

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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