880781

Appears in sequences

• 1/3 the number of (n+1) X 3 0..2 arrays with every 2 X 2 subblock having at least two equal elements connected horizontally or vertically.at n=3A184369
• 1/3 the number of (n+1) X 5 0..2 arrays with every 2 X 2 subblock having at least two equal elements connected horizontally or vertically.at n=1A184371
• T(n,k)=1/3 the number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having at least two equal elements connected horizontally or vertically.at n=11A184376
• T(n,k)=1/3 the number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having at least two equal elements connected horizontally or vertically.at n=13A184376