151391domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumerators of continued fraction convergents to sqrt(355).at n=9A041672Numbers k such that (26*10^k - 503)/9 is prime.at n=24A296051Trajectory of 4 under repeated application of x -> A306958(x).at n=8A306962Prime numbersat n=13967