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%I #11 Nov 07 2017 18:31:38
%S 1,3,4,7,6,4,0,7,5,2,4,4,6,0,0,7,2,7,4,2,0,4,0,4,7,2,0,0,6,0,0,7,0,6,
%T 0,3,6,4,0,2,2,0,4,4,6,0,0,4,1,5,0,2,6,0,0,0,0,2,4,0,6,0,0,7,4,0,4,6,
%U 0,0,0,3,2,2,4,4,0,0,0,2,1,6,4,0,4,4,0,4,2,2,0,0,0,0,0,4,2,3,4,1,6,0,0,2,0
%N a(n) = sigma(n) (mod 8).
%H Antti Karttunen, <a href="/A105827/b105827.txt">Table of n, a(n) for n = 1..16384</a>
%H <a href="/index/Su#sums_of_divisors">Index entries for sequences related to sums of divisors</a>
%p A105827:= (n-> numtheory[sigma](n) mod 8):
%p seq (A105827(n), n=1..105); # _Jani Melik_, Jan 26 2011
%o (PARI) a(n)=sigma(n)%8
%Y Cf. A000203.
%Y Sequences sigma(n) mod k: A053866 (k=2), A074941 (k=3), A105824 (k=4), A105825 (k=5), A084301 (k=6), A105826 (k=7), A105827 (k=8), A105852 (k=9), A105853 (k=10).
%K easy,nonn
%O 1,2
%A _Shyam Sunder Gupta_, May 05 2005
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