2839893

Appears in sequences

• Decimal representation of the middle column of the "Rule 9" elementary cellular automaton starting with a single ON (black) cell.at n=21A266248
• Number of nX6 0..1 arrays with every element unequal to 1, 2 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=11A317861