1640539domain: NPropertiesPrimalityPrimeyesAppears in sequencesTriangle read by rows, where row n starts with n-th prime, followed by n primes in arithmetic progression; T(0,0) = 1 by convention.at n=39A211890Primes that are the first in a run of exactly 6 emirps.at n=24A346026Prime numbersat n=123978