210494

Appears in sequences

• Number of ways of partitioning n points on a circle into subsets only of sizes 2 and 3.at n=18A001005
• Number of (n+2) X (2+2) 0..2 arrays with no element unequal to a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.at n=13A231221
• Starts of runs of 3 consecutive lazy-Pell-Niven numbers (A352342).at n=12A352344