655987domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that p+d is composite for all divisors d of p^2-1.at n=24A295818Expansion of 1/2 * Product_{i>=0, j>=0, k>=0} (1 + x^(i^2 + j^2 + k^2)).at n=33A321381Prime numbersat n=53271