4186496

Appears in sequences

• Breadth-first-wise A014486-like encoding of the branch-reduced binomial-mod-2 binary trees (A080293).at n=3A080318
• Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally and vertically.at n=2A253858
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally and vertically.at n=12A253863