100281

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), (-1, 0, 1), (0, 1, -1), (0, 1, 1), (1, -1, 1)}.at n=10A148896
• a(n) is the number of solid (3D) partitions of n with 2 layers and second layer a plane partition of 3.at n=14A381265