27797667517domain: NAppears in sequencesa(n) = smallest prime p(k) such that the gaps between the primes p(k), p(k+1), p(k+2), ..., p(k+n) are 2n, 2n-2, ... 6, 4, 2.at n=10A263049Smallest prime such that the next n prime gaps are in arithmetic progression.at n=11A349642