68581domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers k such that k^6 == 1 (mod 7^5).at n=25A056103Primes of the form 10n^3-9.at n=5A201039Number of (unlabeled) rooted trees with n leaf nodes and without unary nodes or outdegrees larger than seven.at n=13A292213Prime numbersat n=6819