2217096

Appears in sequences

• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 1), (0, 1), (1, -1)}.at n=15A151258
• Number of length n+3 0..7 arrays with some pair in every consecutive four terms totalling exactly 7.at n=4A245949
• Number of length 5+3 0..n arrays with some pair in every consecutive four terms totalling exactly n.at n=6A245955