4036801domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = Sum_{k=1..n} (prime(k) - 1)^n.at n=5A062440P_4(2n+1), the Legendre polynomial of order 4 at 2n+1.at n=15A144124Primes of the form P_4(n) where P_4(n) is the Legendre polynomial of order 4 at n.at n=5A144125Prime numbersat n=285596