91518

Appears in sequences

• Number of n X n 0..4 arrays with no element equal to another within two positions in the same row or column, and new values 0..4 introduced in row major order.at n=3A206352
• Number of nX4 0..4 arrays with no element equal to another within two positions in the same row or column, and new values 0..4 introduced in row major order.at n=3A206355
• T(n,k)=Number of nXk 0..4 arrays with no element equal to another within two positions in the same row or column, and new values 0..4 introduced in row major order.at n=24A206359
• Number of simple connected graphs on n nodes with diameter 2.at n=8A241706
• Triangle read by rows: T(n,k) is the number of simple connected graphs on n nodes with diameter k (0<=k<n).at n=38A294522