80537domain: NPropertiesPrimalityPrimeyesAppears in sequencesClass 8- primes.at n=11A081427Primes p such that 8p +1 and (p-1)/8 are primes.at n=26A085958Sum of the prime numbers in, but not on the border of, an n X n square array whose elements are the numbers from 1..n^2, listed in increasing order by rows.at n=32A344847Prime numbersat n=7882