232861

Properties

Appears in sequences

• a(n) = T(n,n), array T given by A048505.at n=10A048515
• a(n) = T(10,n), array T given by A048505.at n=10A195856
• Triangle T(n, k) = Numbers of inequivalent (mod D_3) ways to place k points on a triangular grid of side n so that no three of them are vertices of an equilateral triangle with sides parallel to the grid. Triangle read by rows.at n=52A243207
• Prime numbersat n=20665