319679domain: NPropertiesPrimalityPrimeyesAppears in sequencesGeneralized Catalan Numbers x^4*A(x)^2 -(1-x+x^4+x^5+x^6)*A(x) + 1 =0.at n=30A023429Lesser of twin primes such that the sum of the twin prime pair is the sum of 2 positive cubes.at n=17A270244Prime numbersat n=27581