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A105826 Sigma(n) (mod 7). 1
1, 3, 4, 0, 6, 5, 1, 1, 6, 4, 5, 0, 0, 3, 3, 3, 4, 4, 6, 0, 4, 1, 3, 4, 3, 0, 5, 0, 2, 2, 4, 0, 6, 5, 6, 0, 3, 4, 0, 6, 0, 5, 2, 0, 1, 2, 6, 5, 1, 2, 2, 0, 5, 1, 2, 1, 3, 6, 4, 0, 6, 5, 6, 1, 0, 4, 5, 0, 5, 4, 2, 6, 4, 2, 5, 0, 5, 0, 3, 4, 2, 0, 0, 0, 3, 6, 1, 5, 6, 3, 0, 0, 2, 4, 1, 0, 0, 3, 2, 0, 4, 6, 6, 0, 3 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

MAPLE

A105826:= n-> (numtheory[sigma](n) mod 7):

seq (A105826(n), n=1..105); # - Jani Melik, Jan 26 2011

PROG

(PARI) a(n)=sigma(n)%7

CROSSREFS

Sequence in context: A197485 A158677 A105576 * A110665 A063441 A092894

Adjacent sequences:  A105823 A105824 A105825 * A105827 A105828 A105829

KEYWORD

easy,nonn

AUTHOR

Shyam Sunder Gupta (guptass(AT)rediffmail.com), May 05 2005

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Last modified February 14 13:08 EST 2012. Contains 205623 sequences.