166433
domain: N
Appears in sequences
- Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0), ending on the vertical axis and consisting of n steps taken from {(-1, 0), (-1, 1), (0, 1), (1, -1), (1, 0), (1, 1)}.at n=9A151487
- a(n) is the number of cyclic permutations of length n that admit a [1,-1,-1]-gridding.at n=14A304201