6209280
domain: N
Appears in sequences
- Triangular array for David G. Cantor's sigma function.at n=43A055068
- Number of ways to place 5 points on an n X n square grid so that no more than 2 points are on a vertical or horizontal straight line.at n=7A279439
- Totients whose inverses contain two or more consecutive tetrahedral pyramidal numbers.at n=10A318988