52748

Appears in sequences

• Number of nX5 binary arrays without the pattern 0 0 1 diagonally, antidiagonally or horizontally.at n=3A189260
• T(n,k)=Number of nXk binary arrays without the pattern 0 0 1 diagonally, antidiagonally or horizontally.at n=31A189264
• Number of 4Xn binary arrays without the pattern 0 0 1 diagonally, antidiagonally or horizontally.at n=4A189266
• E.g.f. satisfies: A'(x) = exp(A(x)) / (1 - A(x))^2.at n=5A257476
• Number of ways to move elements of an nXnXn triangular array to themselves or a neighbor, with no more than 3-1 elements moved to themselves.at n=4A271679
• T(n,k)=Number of ways to move elements of an nXnXn triangular array to themselves or a neighbor, with no more than k-1 elements moved to themselves.at n=25A271684