A355907 - OEIS

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A355907

A355906(n)/3.

%I #13 Sep 19 2022 07:06:31

%S 0,0,-1,1,-2,3,-5,7,-11,16,-25,37,-56,84,-127,190,-286,429,-644,966

%N A355906(n)/3.

%C This is also -(A355905(n)+A355906(n))/2.

%H Don Knuth, <a href="http://cs.stanford.edu/~knuth/papers/ambidextrous.pdf">Ambidextrous Numbers</a>, Preprint, September 2022.

%Y Cf. A355904-A355906, A355908-A355913.

%K sign,more

%O 0,5

%A _N. J. A. Sloane_, Sep 18 2022