59387domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of -1..1 arrays x(i) of n+1 elements i=1..n+1 with x(i)+x(j), x(i+1)+x(j+1), -(x(i)+x(j+1)), and -(x(i+1)+x(j)) having one, two or three distinct values for every i<=n and j<=n.at n=10A211478a(n) = n*A340339(n)+b, where b = 1 if n is even or 2 if n is odd.at n=45A340340Prime numbersat n=6003