79320

Appears in sequences

• Number of 2 X 2 matrices having all terms in {1,...,n} and positive determinant.at n=19A211059
• Table read by antidiagonals: T(h,n) is the number of n-step self avoiding walks on a 3D cubic lattice confined inside a box of size 2h X 2h X 2h where the walk starts at the center of the box.at n=48A337023