48800
domain: N
Appears in sequences
- Sums of ménage numbers.at n=9A000271
- Denominators of continued fraction convergents to sqrt(43).at n=13A041073
- Triangle of numbers a(n,k) = number of terms in n X n determinant with 2 adjacent diagonals of k and k-1 0's (0<=k<=n).at n=54A047922
- Triangle giving coefficients of ménage hit polynomials.at n=54A058057
- Square array, read by antidiagonals, where row n+1 is generated from row n by first removing terms in row n at positions {floor(m*(m+7)/6), m>=0} and then taking partial sums, starting with all 1's in row 0.at n=49A136217
- The Wiener index of a chain of n squares joined at vertices (i.e., joined like <><><>...<>; here <> is a square!).at n=24A143943
- A ménage triangle.at n=45A156368
- Number of intersections of diagonals in the exterior of a regular n-gon.at n=29A211382
- Majority value maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal, diagonal and antidiagonal neighbors in a random 0..3 nX4 array.at n=3A220991
- T(n,k)=Majority value maps: number of nXk binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal, diagonal and antidiagonal neighbors in a random 0..3 nXk array.at n=24A220993
- Majority value maps: number of 4Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal, diagonal and antidiagonal neighbors in a random 0..3 4Xn array.at n=3A220996