165416

Appears in sequences

• a(n) is the number of Dyck paths of semilength n+6 having its first peak at height n+1.at n=22A005557
• Number of n X 2 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.at n=36A241050