1969215107
domain: N
Appears in sequences
- Number of nX7 0..1 arrays with every element equal to 1, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.at n=5A301950
- Number of 6Xn 0..1 arrays with every element equal to 1, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.at n=6A301955