277606

Appears in sequences

• Expansion of Product_{k>=1} (1 + x^k)^k / (1 + x^(5*k))^(5*k).at n=29A285293
• Array read by antidiagonals: T(m,n) is the number of (non-null) induced trees in the grid graph P_m X P_n.at n=40A360202
• Number of (non-null) induced trees in the n X n grid graph.at n=4A360203