149632

Appears in sequences

• Molecular topological indices of the web graphs.at n=27A192850
• Number of (n+1) X (n+1) 0..2 arrays with the maximum plus the lower median minus the upper median minus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=2A236989
• Number of (n+1) X (3+1) 0..2 arrays with the maximum plus the lower median minus the upper median minus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=2A236992
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=12A236997
• O.g.f. A(x) satisfies: Sum_{n>=0} log( (1 + 2^n*x) / A(x) )^n / n! = 1.at n=5A306062