219263

Appears in sequences

• Number of base 11 circular n-digit numbers with adjacent digits differing by 1 or less.at n=11A124704
• Number of -3..3 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 one, two, three, four or five distinct values for every i,j,k<=n.at n=10A211727