243794389domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of nX7 0..1 arrays avoiding 0 0 0 horizontally and 0 0 1 vertically.at n=4A207087Number of 5Xn 0..1 arrays avoiding 0 0 0 horizontally and 0 0 1 vertically.at n=6A207091Prime numbersat n=13357998