1908173domain: NPropertiesPrimalityPrimeyesAppears 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, 0), (-1, -1, 1), (-1, 0, -1), (1, -1, 0), (1, 1, 0)}.at n=13A149084Primes of the form 3n^3+5.at n=15A201115Prime numbersat n=142589