190308

Appears in sequences

• Number of nX2 0..4 arrays with the absolute differences of each element with its with horizontal and vertical neighbors unique.at n=5A265967
• Number of nX6 0..4 arrays with the absolute differences of each element with its with horizontal and vertical neighbors unique.at n=1A265971
• T(n,k) = Number of n X k 0..4 arrays with the absolute differences of each element with its with horizontal and vertical neighbors unique.at n=22A265973
• T(n,k) = Number of n X k 0..4 arrays with the absolute differences of each element with its with horizontal and vertical neighbors unique.at n=26A265973
• G.f. satisfies A(x) = x * Product_{n>=0} (1 + A(x)^(2^n))^(2^n).at n=10A389473