585690

Appears in sequences

• Number of symmetric, reduced unit interval schemes with n+1 intervals (n>=1).at n=29A005213
• Construct triangle in which n-th row is obtained by expanding (1 + x + x^2)^n and take the next-to-central column.at n=13A005717
• Irregular triangle read by rows: T(n,m) = number of lattice paths of type {A^H}_R terminating at point (n, m).at n=50A291080