172243domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of bipartite partitions.at n=26A002766Primes p such that the NSW number A002315((p-1)/2) is prime.at n=24A005850Indices of prime companion Pell numbers, divided by 2 (A001333).at n=28A099088Prime numbersat n=15688