35746763

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), (-1, 0), (0, 1), (1, -1)}.at n=16A151260
• Number of Motzkin excursions of length n with an even number of humps and an even number of peaks.at n=21A325922