241581domain: NAppears in sequencesNumber of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (0, 1, -1), (0, 1, 0), (1, 0, 0), (1, 1, 0)}.at n=9A151060Semiprimes sp of the form p^2 + q + 1 where p and q are consecutive primes.at n=32A242243