81918724

Appears in sequences

• T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element 1 greater than its northeast neighbor modulo n and the upper left element equal to 0.at n=31A266655
• Number of 4Xn arrays containing n copies of 0..4-1 with no element 1 greater than its northeast neighbor modulo 4 and the upper left element equal to 0.at n=4A266657