348188

Appears in sequences

• Numbers k such that k and k^2 use only the digits 1, 2, 3, 4 and 8.at n=41A136971
• Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,2,1,0,0 for x=0,1,2,3,4.at n=21A198179