1746280

Appears in sequences

• Number of zig-zag paths from top to bottom of an n X n square whose color is that of the top right corner.at n=18A153334
• Number of zig-zag paths from top to bottom of a 2n-1 by 2n-1 square whose color is that of the top right corner.at n=9A153337
• Number of length n 0..1 arrays with each partial sum starting from the beginning no more than two standard deviations from its mean.at n=20A244825