875277domain: NAppears in sequencesNumbers n such that p=n^2+2, p+2, p+6 and p+8 are four consecutive primes.at n=21A086220Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, 0, 1), (1, 0, -1), (1, 0, 1), (1, 1, 1)}.at n=9A151239