1023227domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumerators of continued fraction convergents to sqrt(153).at n=12A041280a(n) = prime((a(n-1) + 1)/2), a(1) = 15.at n=11A104298Lesser of twin pairs in A086006.at n=15A158476Prime numbersat n=80212