1066920

Appears in sequences

• Number of nX6 0..2 arrays with no element equal to more than one of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=6A281538
• Number of nX7 0..2 arrays with no element equal to more than one of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=5A281539
• Number of symmetrically unique Dyck paths of semilength n and height ten.at n=7A291894