631531domain: NPropertiesPrimalityPrimeyesAppears in sequencesCentral terms of triangle A093628, in which the diagonals are equal to the Euler transform of the rows.at n=10A093630Primes of the form R(m!!+1).at n=5A173915Values of n for which A254596(n) = 4.at n=4A255012Prime numbersat n=51449