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A066246 0 unless n is a composite number A002808(k) when a(n) = k. +0
10
0, 0, 0, 1, 0, 2, 0, 3, 4, 5, 0, 6, 0, 7, 8, 9, 0, 10, 0, 11, 12, 13, 0, 14, 15, 16, 17, 18, 0, 19, 0, 20, 21, 22, 23, 24, 0, 25, 26, 27, 0, 28, 0, 29, 30, 31, 0, 32, 33, 34, 35, 36, 0, 37, 38, 39, 40, 41, 0, 42, 0, 43, 44, 45, 46, 47, 0, 48, 49, 50, 0, 51, 0, 52, 53, 54, 55, 56, 0, 57 (list; graph; listen)
OFFSET

1,6

CROSSREFS

Cf. A049084.

Sequence in context: A101336 A137218 A087819 this_sequence A109921 A139637 A110990

Adjacent sequences: A066243 A066244 A066245 this_sequence A066247 A066248 A066249

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Dec 09 2001

page 1

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


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