281527domain: NPropertiesPrimalityPrimeyesAppears in sequencesSomos-6 sequence: a(n) = (a(n-1) * a(n-5) + a(n-2) * a(n-4) + a(n-3)^2) / a(n-6), a(0) = ... = a(5) = 1.at n=15A006722Prime numbersat n=24556