669319

Appears in sequences

• Number 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, -1), (1, 0, 0)}.at n=13A148302
• a(n) is the number of n-digit numbers whose difference between the largest and smallest digits is equal to 5.at n=6A367246