533950domain: 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, 0), (-1, 0, -1), (0, 1, 1), (1, 0, 0)}.at n=12A149841Starts of runs of 4 consecutive Niven numbers in base 2 (A049445).at n=14A330933