1573479

Appears in sequences

• Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having directed index change -1,1 -1,2 1,0 or 0,-1.at n=4A264549
• Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change -1,1 -1,2 1,0 or 0,-1.at n=6A264554