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%I #31 Jun 16 2016 23:27:54
%S 5,1,2,1,5,1,2,10,4,1,4,2,4,1,8,14,8,1,8,7,11,1,6,2,14,29,2,11,9,3,2,
%T 11,8,13,5,4,7,6,3,24,59,9,7,1,20,5,1,8,3,33,27,11,9,12,3,2,11,9,27,4,
%U 2,5,12,1,5,16,54,80,37,15,1,6,3,33,3,17,5,9,17,1,35,32,2,72,10,3,82,6,4,6,5,2,1,5,31,14,13
%N First differences of Stanley sequence S(0,5) (A187843).
%C For known formulas of differences of other Stanley sequences see A093682.
%H Ralf Stephan, <a href="/A231990/b231990.txt">Table of n, a(n) for n = 1..999</a>
%o (PARI) NAP(sv,N)=local(v,vv,m,k,l,sl,vvl);sl=length(sv);vvl=min(N*N,10^5);v=vector(N);vv=vector(vvl);for(k=1,sl,v[k]=sv[k];for(l=1,k-1,vv[2*v[k]-v[l]]=1));m=v[sl]+1;for(k=sl+1,N,while(m<=vvl&&vv[m],m=m+1);if(m>vvl,return(v));for(l=1,k-1,sl=2*m-v[l];if(sl<=vvl,vv[sl]=1));vv[m]=1;v[k]=m);v
%o S05(n)=N=1000;NAP([0,5],N)[n]
%o a(n)=S05(n+1)-S05(n)
%Y Cf. A236269.
%K nonn
%O 1,1
%A _Ralf Stephan_, Jan 30 2014