240192

Appears in sequences

• Number of (n+1) X 4 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two counterclockwise and two clockwise edge increases.at n=6A206089
• Number of (n+1) X 8 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two counterclockwise and two clockwise edge increases.at n=2A206093
• Irregular triangle read by rows: T(n,k) = number of k-irredundant sets in the n X n rook graph.at n=28A290823
• Number of chordless cycles in the n-triangular queen graph.at n=8A370083