32281747domain: NPropertiesPrimalityPrimeyesAppears in sequencesNo sum of 2 or more terms equals a prime.at n=8A133660Square array read by antidiagonals upwards in which row k has k as its first term and each subsequent term is the least possible value such that the sum of any 2 or more terms does not equal a prime.at n=44A305579Prime numbersat n=1990076