388752

Appears in sequences

• Form array in which n-th row is obtained by expanding (1+x+x^2)^n and taking the 3rd column from the center.at n=11A014532
• Number of n X 1 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.at n=12A278365
• Irregular triangle read by rows: T(n,m) = number of lattice paths of type {A^H}_R terminating at point (n, m).at n=52A291080