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Search: id:A111407
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A111407 f(f(n+1)-f(f(n), where f(m) = tau(m) = A000005(m). +0
1
1, 1, 0, 0, 0, 1, -1, 1, -1, 1, -1, 2, -2, 1, 0, -1, 0, 2, -2, 2, -1, 0, -1, 2, -2, 1, 0, 1, -2, 2, -2, 2, -1, 0, 0, 0, -1, 1, 0, 1, -2, 2, -2, 2, 0, -1, -1, 2, -2, 2, -1, 1, -2, 2, -1, 1, -1, 0, -1, 4, -4, 1, 1, -2, 1, 1, -2, 2, -1, 1, -2, 4, -4, 1, 1, 0, -1, 1, -2, 2, -2, 1, -1, 4, -3, 0, 0, 1, -2, 4, -3, 1, -1, 0, 0, 3, -4, 2, 0, -1, -1 (list; graph; listen)
OFFSET

0,12

CROSSREFS

Sequence in context: A137566 A122865 A074080 this_sequence A084440 A016372 A016342

Adjacent sequences: A111404 A111405 A111406 this_sequence A111408 A111409 A111410

KEYWORD

sign

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Nov 12 2005

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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