158223

Appears in sequences

• T(n,k)=Number of (n+2)X(k+2) 0..6 arrays with every 3X3 subblock commuting with each horizontal and vertical neighbor 3X3 subblock.at n=11A186572
• T(n,k)=Number of (n+2)X(k+2) 0..6 arrays with every 3X3 subblock commuting with each horizontal and vertical neighbor 3X3 subblock.at n=13A186572
• G.f. A(x) satisfies x = Sum_{n>=1} A( x^n*(1-x)^(4*n) ).at n=6A380553