121622

Appears in sequences

• Number of ways to fold a strip of n blank stamps.at n=12A001011
• Erroneous version of A001011 ("folding a strip of stamps").at n=12A003054
• Values of A038007 ending in 2.at n=29A038011
• a(n) is number of solutions of the equation sigma(x)=10^n.at n=34A110078
• Times on the display of a 24-hour digital clock with 6 digits, rounded to full seconds, at which the hour and minute hands of an analog clock form a right angle. Terms with fewer than 6 digits are to be assumed filled with zeros to the left.at n=22A347039