1019328

Appears in sequences

• Number of binary trees (each vertex has 0, or 1 left, or 1 right, or 2 children) with n edges and having all leaves at the same level.at n=16A106376
• Number of nX2 arrays containing 2 copies of 0..n-1 with no element plus any vertical neighbor equal to n-1.at n=5A265860
• T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element plus any vertical neighbor equal to n-1.at n=26A265863
• T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element plus any diagonal or antidiagonal neighbor equal to n-1.at n=26A266183