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A133695 a(n) = 2*A008683 - 1. 1

%I #8 Jul 29 2019 19:40:01

%S 1,-3,-3,-1,-3,1,-3,-1,-1,1,-3,-1,-3,1,1,-1,-3,-1,-3,-1,1,1,-3,-1,-1,

%T 1,-1,-1,-3,-3,-3,-1,1,1,1,-1,-3,1,1,-1,-3,-3,-3,-1,-1,1,-3,-1,-1,-1,

%U 1,-1,-3,-1,1,-1,1,1,-3,-1,-3,1,-1,-1,1,-3,-3,-1,1,-3,-3,-1,-3,1,-1,-1

%N a(n) = 2*A008683 - 1.

%F a(n) = 2*A008683 - 1, where A008683 = the Mobius sequence.

%e a(5) = -3 = 2*(-1) - 1.

%Y Cf. A008683.

%K sign

%O 1,2

%A _Gary W. Adamson_, Sep 20 2007

%E More terms from _Petros Hadjicostas_, Jul 29 2019

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Last modified July 22 16:12 EDT 2024. Contains 374540 sequences. (Running on oeis4.)