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a(n) = (A203069(n)-n)/2.
4

%I #10 Aug 17 2021 01:55:31

%S 0,3,2,-1,4,3,-2,-1,0,3,-3,-4,-1,-2,0,1,0,2,2,3,-1,-4,-1,0,0,-3,1,0,

%T -1,0,1,0,-1,0,0,2,0,0,0,-2,0,1,0,-1,0,0,0,0,1,2,3,3,0,-1,2,0,-4,-4,

%U -2,0,0,0,0,1,1,1,-1,-2,0,1,0,-1,0,0,2,0,0,0,-2,0,0,1,1,1,-1,-2

%N a(n) = (A203069(n)-n)/2.

%C The terms are surprisingly small.

%H N. J. A. Sloane, <a href="/A346611/b346611.txt">Table of n, a(n) for n = 1..10000</a>

%Y Cf. A203069, A346609, A346610.

%K sign

%O 1,2

%A _Harvey P. Dale_ and _N. J. A. Sloane_, Aug 16 2021