439063domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of n X 4 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 1 0 and 1 0 1 vertically.at n=7A207463Primes which have the same (base 10) digital sum A007953 as the next smaller and next larger prime.at n=24A217875Prime numbersat n=36869