1926444

Appears in sequences

• Number of length-n 0..n arrays with no adjacent pair x,x+1 followed at any distance by x+1,x.at n=6A268450
• Number of length-n 0..7 arrays with no adjacent pair x,x+1 followed at any distance by x+1,x.at n=6A268456
• Number of length-7 0..n arrays with no adjacent pair x,x+1 followed at any distance by x+1,x.at n=6A268461