72381

Appears in sequences

• Number of deco polyominoes of height n and vertical height 3 (i.e., having 3 rows).at n=10A121693
• a(n) is the floor of the reciprocal of the difference between the 10^n-th root of 10^n and 1.at n=5A141492
• 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, 0), (0, 1, -1), (1, 0, -1), (1, 1, 1)}.at n=9A149660