998125000

Appears in sequences

• Number of zig-zag paths from top to bottom of a rectangle of width 9 with n rows.at n=29A153362
• Number of zig-zag paths from top to bottom of a rectangle of width 9 with n rows whose color is that of the top right corner.at n=30A153363
• Number of zig-zag paths from top to bottom of a rectangle of width 9 with 2*n-1 rows whose color is that of the top right corner.at n=15A153366