73181domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of unlabeled, connected graphs on n nodes which have no induced subgraph isomorphic to a P5, P5-bar or C5 and are not bipartite nor cobipartite nor split and are primes.at n=11A079568Home primes whose homeliness is 5.at n=34A133964Prime numbersat n=7233