910803
domain: N
Appears in sequences
- Number of spanning trees in K_3 X P_n.at n=4A003690
- Number of perfect matchings (or domino tilings) in K_4 X P_n.at n=8A003769
- Area of n-th triple of squares around a triangle.at n=9A005386
- Number A(n,k) of spanning trees in C_k X P_n; square array A(n,k), n>=1, k>=1, read by antidiagonals.at n=25A173958