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A111412 f(f(n+1))-f(f(n)), where f(m) = wt(m) = A000120(m). 0

%I

%S 1,0,0,0,0,0,1,-1,0,0,1,-1,1,0,-1,0,0,0,1,-1,1,0,-1,0,1,0,-1,1,-1,0,1,

%T -1,0,0,1,-1,1,0,-1,0,1,0,-1,1,-1,0,1,-1,1,0,-1,1,-1,0,1,0,-1,0,1,-1,

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

%N f(f(n+1))-f(f(n)), where f(m) = wt(m) = A000120(m).

%K sign

%O 0,1

%A _N. J. A. Sloane_, Nov 12 2005

%E Definition corrected by _N. J. A. Sloane_, Feb 14 2018

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Last modified January 17 05:13 EST 2022. Contains 350378 sequences. (Running on oeis4.)