23019453235
domain: N
Appears in sequences
- 1/4 the number of (n+1) X 3 0..3 arrays with every 2 X 2 subblock having at least two equal elements connected horizontally or vertically.at n=5A184146
- 1/4 the number of (n+1)X7 0..3 arrays with every 2X2 subblock having at least two equal elements connected horizontally or vertically.at n=1A184150
- T(n,k)=1/4 the number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having at least two equal elements connected horizontally or vertically.at n=22A184153