21893719

Appears in sequences

• Number of nX(n+3) arrays of permutations of n+3 copies of 0..n-1 with every element equal to or 1 greater than any west or southwest neighbors modulo n and the upper left element equal to 0.at n=5A267566
• Number of 6 X n arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any west or southwest neighbors modulo 6 and the upper left element equal to 0.at n=8A267570