1943237domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that sigma(p-1)+sigma(p+1) is prime.at n=25A067464Primes of the form 1+A162143(k).at n=24A164517Primes p of form n^2 + 1 such that p+2 and p+6 are also prime.at n=13A200992Terms of A002496 that are the average of two distinct terms of A002496.at n=8A327741Prime numbersat n=145033