109221

Appears in sequences

• Expansion of 1/((1-x)(1-2x)(1-11x)(1-12x)).at n=4A021334
• 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), (1, 1, -1), (1, 1, 1)}.at n=9A149640
• Number of nondecreasing -n..n vectors of length 5 whose dot product with some nondecreasing -n..n vector equals 5.at n=11A226413
• a(n) is the least positive k such that A000041(n) divides A000041(n+k), or 0 if no such k exists.at n=54A346696