1062013domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 1, a(1) = 1, a(2) = 4, a(3) = -3.at n=33A295677Primes p such that A001414(p+1) = A001414(p-1) + 1.at n=29A342738Prime numbersat n=82976