A328049 - OEIS

%I #4 Oct 08 2019 22:21:42

%S 1,2,-1,3,-1,3,-1,2,2,-1,2,1,1,2,-1,2,1,1,1,1,2,-1,2,1,2,-1,2,1,1,1,1,

%T 1,3,-2,3,-2,5,-2,3,-2,3,1,1,2,-1,2,1,1,1,1,1,1,1,1,1,1,2,-1,2,1,1,1,

%U 1,1,1,1,1,1,1,1,1,1,1,1,2,-1,3,-1,2,1,1,1

%N First differences of A328047.

%o (PARI) my(v=[1], terms=40); while(1, if(#v > terms, break); for(k=1, oo, if(bigomega(k)!=bigomega(v[#v]) && !setsearch(vecsort(v), k), print1(k-v[#v], ", "); v=concat(v, k); break)))

%Y Cf. A328047, A328048, A328050.

%K sign,easy

%O 1,2

%A _Felix Fröhlich_, Oct 03 2019