400597domain: 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, -1), (-1, 0, 0), (-1, 0, 1), (0, 1, -1), (1, 0, 1)}.at n=11A149244Primes p such that A001414(p+1) = A001414(p-1) - 1.at n=21A342823Prime numbersat n=33902