104969

Appears in sequences

• Expansion of (1+2*x)/((1+x)*(1-x^2-x^3)).at n=43A098601
• Number of nX6 0..1 arrays with every element equal to 1, 2, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=6A302726
• Number of 7Xn 0..1 arrays with every element equal to 1, 2, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=5A302732