1277104domain: NAppears in sequencesSum of squares of hexanacci numbers (A001592, Fibonacci 6-step numbers).at n=16A107244Number of -2..2 arrays x(i) of n+1 elements i=1..n+1 with set{t,u,v in 0,1}((x[i+t]+x[j+u]+x[k+v])*(-1)^(t+u+v)) having two, four, six or eight distinct values for every i,j,k<=n.at n=11A211588