160645504

Appears in sequences

• Number of 1-punctured staircase polygons (by perimeter) with a hole of perimeter 4.at n=19A055022
• a(n) = Sum_{k=0..11} C(n, k).at n=31A219531
• a(n) = Sum_{k=0..n} binomial(3*n-2,k).at n=11A386006