389820

Appears in sequences

• Number of walks of length n on the square lattice that start from (0,0) and do not touch the nonpositive real axis once they have left their starting point.at n=10A053791
• Number of nX3 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-1) and new values introduced in order 0..2.at n=8A275261