353443domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes having only {3, 4, 5} as digits.at n=44A199345Number of partitions of [n] into m blocks that are ordered with increasing least elements and where block j contains n+1-j (m in {0..ceiling(n/2)}, j in {1..m}).at n=15A363071Prime numbersat n=30246