228307

Properties

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, 1), (0, 0, -1), (0, 1, -1), (1, 0, -1), (1, 1, 0)}.at n=12A148439
• a(n) = 729*n^2 - 442*n + 67.at n=17A157668
• Prime numbersat n=20284