868613

Properties

Appears in sequences

• Number of ways of placing n nonattacking (normal) queens on n X n board, solutions similar on the torus count only once.at n=15A062165
• Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having directed index change 1,0 1,1 0,-1 or -1,1.at n=4A264568
• T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change 1,0 1,1 0,-1 or -1,1.at n=59A264569
• Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change 1,0 1,1 0,-1 or -1,1.at n=6A264573
• Prime numbersat n=68991