53175517
domain: N
Appears in sequences
- Number of perfect matchings in graph P_{7} X P_{2n}.at n=5A028469
- Number of perfect matchings in graph P_{10} X P_{n}.at n=7A028472
- Triangle T(m,n) read by rows: number of domino tilings of the m X n grid (0 <= m <= n).at n=62A187616
- Number of domino tilings of the 7 X n grid with upper left corner removed iff n is odd.at n=10A189004