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A163469 a(n) = A055496(n+1) - 2*A055496(n). 2

%I #7 Sep 22 2017 07:40:13

%S 1,1,1,1,3,3,3,3,3,9,15,11,11,3,3,5,9,63,3,15,5,11,15,31,1,3,21,13,9,

%T 9,31,39,15,7,25,21,35,11,9,39,53,53,81,21,5,23,9,39,17,21,19,3,77,5,

%U 39,57,41,29,45,21,11,15,13,39,17,33,67,129,33,13,3,5,105,67,7,13,3,15,63

%N a(n) = A055496(n+1) - 2*A055496(n).

%H Michel Marcus, <a href="/A163469/b163469.txt">Table of n, a(n) for n = 1..999</a>

%Y Cf. A055496.

%K nonn

%O 1,5

%A _Zak Seidov_, Jul 28 2009

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