3640625

Appears in sequences

• Second binomial transform of F(n+1).at n=12A081567
• Triangle read by rows, giving Kekulé numbers for certain benzenoids (see the Cyvin-Gutman book for details).at n=51A123354
• Kekulé numbers for certain benzenoids (see the Cyvin-Gutman book for details).at n=6A123358
• Number of paths of length n starting at initial node of the path graph P_9.at n=25A178381
• a(n) = Sum_{k>=0} (-1)^k*binomial(n, 5*k+2).at n=25A289387
• a(n) = Sum_{k>=0} (-1)^k*binomial(n,5*k+3).at n=25A289388