66224

Appears in sequences

• Number of vertical dominoes in all possible tilings of a 2n X 3 grid by dominoes.at n=6A123520
• 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, 0), (1, -1, -1), (1, -1, 1)}.at n=11A148249
• Position of [n, n-1, ..., 2, 1] in Mathematica-ordered list of partitions of n(n+1)/2.at n=9A238639