97825

Appears in sequences

• a(n) = (n^4 + n^2 + 2*n)/4.at n=25A006528
• Number of planar planted trees with n non-root nodes and every 2-valent node isolated.at n=13A061639
• Expansion of (1 - 2*x^2)/(1 + x)^5. Fourth column of Riordan triangle A248156.at n=41A248160