2781983domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 3 neighboring 1s.at n=3A297606Number of 4Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 3 neighboring 1s.at n=6A297610Prime numbersat n=202144