73931

Appears in sequences

• a(n) = n^2*(n^3 - n^2 + n + 1)/2.at n=11A101376
• Number of ways to arrange 3 indistinguishable points on an n X n X n triangular grid so that no three points are in the same row or diagonal.at n=11A194475
• Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.at n=7A299176
• Number of vertices among all distinct circles that can be constructed from n equally spaced points along a line using only a compass.at n=23A359252