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Search: id:A081236
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A081236 Greatest k<n with mu(n-k)=mu(n)=mu(n+k), where mu=A008683 (Moebius function). +0
2
0, 0, 0, 0, 2, 0, 4, 4, 0, 4, 8, 8, 10, 8, 0, 12, 14, 14, 12, 16, 0, 16, 20, 20, 7, 25, 23, 24, 24, 23, 28, 28, 32, 28, 34, 32, 34, 24, 38, 36, 38, 37, 40, 40, 36, 45, 42, 44, 41, 46, 36, 48, 50, 50, 40, 52, 36, 57, 54, 56, 48, 61, 54, 60, 64, 64, 64, 64, 54, 68, 68, 68, 66, 68, 57 (list; graph; listen)
OFFSET

1,5

COMMENT

a(A081237(n))=0.

CROSSREFS

Sequence in context: A095202 A093443 A099092 this_sequence A103328 A114122 A004174

Adjacent sequences: A081233 A081234 A081235 this_sequence A081237 A081238 A081239

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Mar 11 2003

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


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