185921

Appears in sequences

• Number of perfect matchings (or domino tilings) in P_5 X P_2n.at n=5A003775
• Number of perfect matchings in graph P_{10} X P_{n}.at n=5A028472
• Denominators of convergents of the continued fraction with the n+1 partial quotients: [2;2,2,...(n 2's)...,2,n+1], starting with [1], [2;2], [2;2,3], [2;2,2,4], ...at n=12A088211
• Sum of third powers of five consecutive primes.at n=8A133539
• Triangle T(m,n) read by rows: number of domino tilings of the m X n grid (0 <= m <= n).at n=60A187616
• Number of domino tilings of the 5 X n grid with upper left corner removed iff n is odd.at n=10A189003
• Number of domino tilings (or dimer coverings) of the 2n X n grid.at n=5A340535