528991domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 2310*p + 1 where p is a prime.at n=16A051649Irregular triangle read by rows: T(n,k) is the number of endofunctions on [n] whose fourth-largest component has size exactly k; n >= 0, 0 <= k <= floor(n/4).at n=13A350275Prime numbersat n=43747