103436
domain: N
Appears in sequences
- Number of possible sets {{row sums}, {column sums}} of a 2n X 2n matrix with entries from {0,1,-1} and all row and column sums distinct.at n=7A049526
- Irregular table read by rows: T(n,k) is the number of k-gons, k>=2, among all distinct circles that can be constructed from an n x n square grid of points when each pair of points is connected by a circle and the points lie at the ends of a diameter of the circle.at n=46A360354