2062759domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) is the largest prime < 3*a(n-1) for n > 1, with a(1) = 2.at n=13A126031Number of 3 X n 0..2 arrays with rows nondecreasing and antidiagonals unimodal.at n=15A224013Prime numbersat n=153262