2123439

Appears in sequences

• Meandric numbers for a river crossing any number of parallel roads at n points.at n=16A206432
• Meandric numbers for a river crossing up to 16 parallel roads at n points.at n=16A210344
• Meandric numbers for a river crossing up to 17 parallel roads at n points.at n=16A210478
• Meandric numbers for a river crossing up to 18 parallel roads at n points.at n=16A210567
• Meandric numbers for a river crossing up to 19 parallel roads at n points.at n=16A210592
• Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..3 array extended with zeros and convolved with 1,2,1.at n=31A222122