3078001domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of n X 3 0..1 arrays with diagonals and antidiagonals unimodal and rows nondecreasing.at n=11A223944Lexicographically earliest sequence of prime numbers whose partial products, starting from the second, are all Fermat pseudoprimes to base 2 (A001567).at n=19A374028Prime numbersat n=222021