220100

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), (-1, 1, 1), (0, 0, 1), (1, 0, -1)}.at n=12A148319
• Number of nX3 nonnegative integer arrays with upper left 0 and lower right n+3-4 and value increasing by 0 or 1 with every step right or down.at n=17A252871
• Expansion of Sum_{k>=1} x^k * (1 + k * x^k)^k.at n=43A327249