247993domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = A186882(n+1) - A186882(n).at n=28A186883a(n) is the first prime p such that the sum of 2*n consecutive primes starting at p is (q-1)*q where q is prime, or 0 if there is no such p.at n=32A338990Prime numbersat n=21874