5707449

Appears in sequences

• a(n) = n^2*(2*n^8 + 120*n^6 + 1806*n^4 + 7180*n^2 + 5067)/14175.at n=11A099197
• a(n) = (n+1)*A001003(n).at n=10A176479
• Number of paths from (0,0) to the line x = n, each segment given by a vector (1,1), (1,-1), or (2,0), not crossing the x-axis, and including no horizontal segment on the x-axis.at n=20A247623
• Crystal ball sequence for the lattice C_10.at n=5A305724