119224

Appears in sequences

• Number of acute triangles on an n X n grid (or geoboard).at n=11A190019
• Number of n X n 0..1 arrays avoiding the patterns 0 1 0 or 1 0 1 in any row, column, diagonal or antidiagonal.at n=5A206980
• Number of nX6 0..1 arrays avoiding the patterns 0 1 0 or 1 0 1 in any row, column, diagonal or antidiagonal.at n=5A206985
• Starts of runs of 3 consecutive Lucas-Niven numbers (A351714).at n=22A351716