322537domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = A027082(n, 2n-1).at n=13A027088Primes p such that the decimal expansion of its base 7 expansion converted to decimal is a square.at n=36A241246Numerator of (n-2)!*Sum_{k=1..n} (-1)^(k+1)/((n-k)!*k^k).at n=3A360091Prime numbersat n=27811