3404473domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of (n+4)X5 binary arrays with every 5X5 subblock commuting with each horizontal and vertical neighbor 5X5 subblock.at n=17A186601A335695(n) + A335696(n) + A335697(n).at n=17A335698Prime numbersat n=243858