239347domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrime Fibonacci sequence: each term is the prime with index equal to the sum of the previous two terms.at n=7A107327Expansion of Product_{k>=2} 1/(1 - x^k)^p(k), where p(k) = number of partitions of k (A000041).at n=21A317911Prime numbersat n=21168