193861

Properties

Appears in sequences

• Number of permutations of length n which avoid the patterns 3124, 3421, 4231.at n=11A116814
• 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, 0, 1), (0, 0, 1), (0, 1, 1), (1, -1, 1), (1, 0, -1)}.at n=9A150579
• Prime numbersat n=17487