136821479domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of (n+2) X (2+2) 0..1 arrays with every 3 X 3 subblock sum of the two sums of the central row and central column minus the two minimums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=16A255030Prime numbersat n=7742726