175234domain: 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), (-1, 1, -1), (-1, 1, 1), (1, 0, 0), (1, 1, 1)}.at n=9A150708Congruent number sequence starting from the Pythagorean triple (3,4,5).at n=4A358210