8407926

Appears in sequences

• Pisot sequences E(5,7), P(5,7).at n=38A020711
• Pisot sequences E(7,10), P(7,10).at n=37A020721
• Expansion of (1-x)^(-1)/(1+x-2*x^2+x^3).at n=22A077899
• Number of nX2 0..1 arrays with every element unequal to 0, 1 or 2 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=20A317759